Home / 87,010.08-130,510.64-51,006.52

Finding the Fourth Proportional to 87,010.08, 130,510.64 and 51,006.52

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Solution

The fourth proportional to 87,010.08, 130,510.64 and 51,006.52 is: 76,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010.08 : 130,510.64 = 51,006.52 : x
  2. Step 2: Convert to fraction form
    87,010.08/130,510.64 = 51,006.52/x
  3. Step 3: Cross multiply
    87,010.08x = 130,510.64 × 51,006.52
  4. Step 4: Simplify right side
    87,010.08x = 6,656,893,569.37
  5. Step 5: Solve for x
    x = 6,656,893,569.37/87,010.08
  6. Step 6: Final answer
    x = 76,507.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.