Home / 97,305.66-134,282.61-57,020.58

Finding the Fourth Proportional to 97,305.66, 134,282.61 and 57,020.58

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Solution

The fourth proportional to 97,305.66, 134,282.61 and 57,020.58 is: 78,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,305.66 : 134,282.61 = 57,020.58 : x
  2. Step 2: Convert to fraction form
    97,305.66/134,282.61 = 57,020.58/x
  3. Step 3: Cross multiply
    97,305.66x = 134,282.61 × 57,020.58
  4. Step 4: Simplify right side
    97,305.66x = 7,656,872,306.11
  5. Step 5: Solve for x
    x = 7,656,872,306.11/97,305.66
  6. Step 6: Final answer
    x = 78,688.87

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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.