Home / 93,613.90-129,249.54-55,385.76

Finding the Fourth Proportional to 93,613.90, 129,249.54 and 55,385.76

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Solution

The fourth proportional to 93,613.90, 129,249.54 and 55,385.76 is: 76,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,613.90 : 129,249.54 = 55,385.76 : x
  2. Step 2: Convert to fraction form
    93,613.90/129,249.54 = 55,385.76/x
  3. Step 3: Cross multiply
    93,613.90x = 129,249.54 × 55,385.76
  4. Step 4: Simplify right side
    93,613.90x = 7,158,584,002.55
  5. Step 5: Solve for x
    x = 7,158,584,002.55/93,613.90
  6. Step 6: Final answer
    x = 76,469.24

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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.