Home / 71,585.14-98,787.57-39,754.10

Finding the Fourth Proportional to 71,585.14, 98,787.57 and 39,754.10

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Solution

The fourth proportional to 71,585.14, 98,787.57 and 39,754.10 is: 54,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,585.14 : 98,787.57 = 39,754.10 : x
  2. Step 2: Convert to fraction form
    71,585.14/98,787.57 = 39,754.10/x
  3. Step 3: Cross multiply
    71,585.14x = 98,787.57 × 39,754.10
  4. Step 4: Simplify right side
    71,585.14x = 3,927,210,936.54
  5. Step 5: Solve for x
    x = 3,927,210,936.54/71,585.14
  6. Step 6: Final answer
    x = 54,860.70

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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.