Home / 54,349.36-74,967.60-39,264.19

Finding the Fourth Proportional to 54,349.36, 74,967.60 and 39,264.19

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Solution

The fourth proportional to 54,349.36, 74,967.60 and 39,264.19 is: 54,159.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.36 : 74,967.60 = 39,264.19 : x
  2. Step 2: Convert to fraction form
    54,349.36/74,967.60 = 39,264.19/x
  3. Step 3: Cross multiply
    54,349.36x = 74,967.60 × 39,264.19
  4. Step 4: Simplify right side
    54,349.36x = 2,943,542,090.24
  5. Step 5: Solve for x
    x = 2,943,542,090.24/54,349.36
  6. Step 6: Final answer
    x = 54,159.65

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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.