Home / 67,511.07-93,112.13-62,983.98

Finding the Fourth Proportional to 67,511.07, 93,112.13 and 62,983.98

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Solution

The fourth proportional to 67,511.07, 93,112.13 and 62,983.98 is: 86,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,511.07 : 93,112.13 = 62,983.98 : x
  2. Step 2: Convert to fraction form
    67,511.07/93,112.13 = 62,983.98/x
  3. Step 3: Cross multiply
    67,511.07x = 93,112.13 × 62,983.98
  4. Step 4: Simplify right side
    67,511.07x = 5,864,572,691.14
  5. Step 5: Solve for x
    x = 5,864,572,691.14/67,511.07
  6. Step 6: Final answer
    x = 86,868.31

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1.5x scale

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.