Home / 89,987.29-124,179.09-49,700.18

Finding the Fourth Proportional to 89,987.29, 124,179.09 and 49,700.18

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Solution

The fourth proportional to 89,987.29, 124,179.09 and 49,700.18 is: 68,584.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,987.29 : 124,179.09 = 49,700.18 : x
  2. Step 2: Convert to fraction form
    89,987.29/124,179.09 = 49,700.18/x
  3. Step 3: Cross multiply
    89,987.29x = 124,179.09 × 49,700.18
  4. Step 4: Simplify right side
    89,987.29x = 6,171,723,125.24
  5. Step 5: Solve for x
    x = 6,171,723,125.24/89,987.29
  6. Step 6: Final answer
    x = 68,584.39

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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.