Home / 54,287.44-81,061.60-47,909.16

Finding the Fourth Proportional to 54,287.44, 81,061.60 and 47,909.16

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Solution

The fourth proportional to 54,287.44, 81,061.60 and 47,909.16 is: 71,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,287.44 : 81,061.60 = 47,909.16 : x
  2. Step 2: Convert to fraction form
    54,287.44/81,061.60 = 47,909.16/x
  3. Step 3: Cross multiply
    54,287.44x = 81,061.60 × 47,909.16
  4. Step 4: Simplify right side
    54,287.44x = 3,883,593,164.26
  5. Step 5: Solve for x
    x = 3,883,593,164.26/54,287.44
  6. Step 6: Final answer
    x = 71,537.60

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.