Home / 54,121.46-74,639.22-33,980.19

Finding the Fourth Proportional to 54,121.46, 74,639.22 and 33,980.19

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Solution

The fourth proportional to 54,121.46, 74,639.22 and 33,980.19 is: 46,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.46 : 74,639.22 = 33,980.19 : x
  2. Step 2: Convert to fraction form
    54,121.46/74,639.22 = 33,980.19/x
  3. Step 3: Cross multiply
    54,121.46x = 74,639.22 × 33,980.19
  4. Step 4: Simplify right side
    54,121.46x = 2,536,254,877.05
  5. Step 5: Solve for x
    x = 2,536,254,877.05/54,121.46
  6. Step 6: Final answer
    x = 46,862.28

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.