Home / 97,478.30-134,463.92-58,689.16

Finding the Fourth Proportional to 97,478.30, 134,463.92 and 58,689.16

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Solution

The fourth proportional to 97,478.30, 134,463.92 and 58,689.16 is: 80,957.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,478.30 : 134,463.92 = 58,689.16 : x
  2. Step 2: Convert to fraction form
    97,478.30/134,463.92 = 58,689.16/x
  3. Step 3: Cross multiply
    97,478.30x = 134,463.92 × 58,689.16
  4. Step 4: Simplify right side
    97,478.30x = 7,891,574,515.11
  5. Step 5: Solve for x
    x = 7,891,574,515.11/97,478.30
  6. Step 6: Final answer
    x = 80,957.24

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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.