Home / 96,572.31-133,271.40-53,553.61

Finding the Fourth Proportional to 96,572.31, 133,271.40 and 53,553.61

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Solution

The fourth proportional to 96,572.31, 133,271.40 and 53,553.61 is: 73,904.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,572.31 : 133,271.40 = 53,553.61 : x
  2. Step 2: Convert to fraction form
    96,572.31/133,271.40 = 53,553.61/x
  3. Step 3: Cross multiply
    96,572.31x = 133,271.40 × 53,553.61
  4. Step 4: Simplify right side
    96,572.31x = 7,137,165,059.70
  5. Step 5: Solve for x
    x = 7,137,165,059.70/96,572.31
  6. Step 6: Final answer
    x = 73,904.88

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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.