Home / 54,172.80-74,545.92-47,900.16

Finding the Fourth Proportional to 54,172.80, 74,545.92 and 47,900.16

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Solution

The fourth proportional to 54,172.80, 74,545.92 and 47,900.16 is: 65,914.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.80 : 74,545.92 = 47,900.16 : x
  2. Step 2: Convert to fraction form
    54,172.80/74,545.92 = 47,900.16/x
  3. Step 3: Cross multiply
    54,172.80x = 74,545.92 × 47,900.16
  4. Step 4: Simplify right side
    54,172.80x = 3,570,761,495.35
  5. Step 5: Solve for x
    x = 3,570,761,495.35/54,172.80
  6. Step 6: Final answer
    x = 65,914.29

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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.