Home / 89,122.85-122,943.54-60,432.81

Finding the Fourth Proportional to 89,122.85, 122,943.54 and 60,432.81

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Solution

The fourth proportional to 89,122.85, 122,943.54 and 60,432.81 is: 83,366.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,122.85 : 122,943.54 = 60,432.81 : x
  2. Step 2: Convert to fraction form
    89,122.85/122,943.54 = 60,432.81/x
  3. Step 3: Cross multiply
    89,122.85x = 122,943.54 × 60,432.81
  4. Step 4: Simplify right side
    89,122.85x = 7,429,823,593.55
  5. Step 5: Solve for x
    x = 7,429,823,593.55/89,122.85
  6. Step 6: Final answer
    x = 83,366.09

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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.