Home / 54,190.34-74,785.57-30,315.59

Finding the Fourth Proportional to 54,190.34, 74,785.57 and 30,315.59

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Solution

The fourth proportional to 54,190.34, 74,785.57 and 30,315.59 is: 41,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,190.34 : 74,785.57 = 30,315.59 : x
  2. Step 2: Convert to fraction form
    54,190.34/74,785.57 = 30,315.59/x
  3. Step 3: Cross multiply
    54,190.34x = 74,785.57 × 30,315.59
  4. Step 4: Simplify right side
    54,190.34x = 2,267,168,228.32
  5. Step 5: Solve for x
    x = 2,267,168,228.32/54,190.34
  6. Step 6: Final answer
    x = 41,837.13

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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.