Home / 62,972.16-86,849.92-45,957.28

Finding the Fourth Proportional to 62,972.16, 86,849.92 and 45,957.28

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Solution

The fourth proportional to 62,972.16, 86,849.92 and 45,957.28 is: 63,383.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,972.16 : 86,849.92 = 45,957.28 : x
  2. Step 2: Convert to fraction form
    62,972.16/86,849.92 = 45,957.28/x
  3. Step 3: Cross multiply
    62,972.16x = 86,849.92 × 45,957.28
  4. Step 4: Simplify right side
    62,972.16x = 3,991,386,091.42
  5. Step 5: Solve for x
    x = 3,991,386,091.42/62,972.16
  6. Step 6: Final answer
    x = 63,383.34

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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.