Home / 54,349.29-74,967.51-39,264.12

Finding the Fourth Proportional to 54,349.29, 74,967.51 and 39,264.12

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Solution

The fourth proportional to 54,349.29, 74,967.51 and 39,264.12 is: 54,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.29 : 74,967.51 = 39,264.12 : x
  2. Step 2: Convert to fraction form
    54,349.29/74,967.51 = 39,264.12/x
  3. Step 3: Cross multiply
    54,349.29x = 74,967.51 × 39,264.12
  4. Step 4: Simplify right side
    54,349.29x = 2,943,533,308.74
  5. Step 5: Solve for x
    x = 2,943,533,308.74/54,349.29
  6. Step 6: Final answer
    x = 54,159.55

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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.