Home / 89,613.54-134,420.68-36,306.55

Finding the Fourth Proportional to 89,613.54, 134,420.68 and 36,306.55

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Solution

The fourth proportional to 89,613.54, 134,420.68 and 36,306.55 is: 54,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,613.54 : 134,420.68 = 36,306.55 : x
  2. Step 2: Convert to fraction form
    89,613.54/134,420.68 = 36,306.55/x
  3. Step 3: Cross multiply
    89,613.54x = 134,420.68 × 36,306.55
  4. Step 4: Simplify right side
    89,613.54x = 4,880,351,139.45
  5. Step 5: Solve for x
    x = 4,880,351,139.45/89,613.54
  6. Step 6: Final answer
    x = 54,459.97

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1.5x scale

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.