Home / 89,981.03-124,173.82-52,257.71

Finding the Fourth Proportional to 89,981.03, 124,173.82 and 52,257.71

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Solution

The fourth proportional to 89,981.03, 124,173.82 and 52,257.71 is: 72,115.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.03 : 124,173.82 = 52,257.71 : x
  2. Step 2: Convert to fraction form
    89,981.03/124,173.82 = 52,257.71/x
  3. Step 3: Cross multiply
    89,981.03x = 124,173.82 × 52,257.71
  4. Step 4: Simplify right side
    89,981.03x = 6,489,039,475.15
  5. Step 5: Solve for x
    x = 6,489,039,475.15/89,981.03
  6. Step 6: Final answer
    x = 72,115.64

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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.