Home / 55,152.12-76,049.10-38,126.82

Finding the Fourth Proportional to 55,152.12, 76,049.10 and 38,126.82

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Solution

The fourth proportional to 55,152.12, 76,049.10 and 38,126.82 is: 52,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,152.12 : 76,049.10 = 38,126.82 : x
  2. Step 2: Convert to fraction form
    55,152.12/76,049.10 = 38,126.82/x
  3. Step 3: Cross multiply
    55,152.12x = 76,049.10 × 38,126.82
  4. Step 4: Simplify right side
    55,152.12x = 2,899,510,346.86
  5. Step 5: Solve for x
    x = 2,899,510,346.86/55,152.12
  6. Step 6: Final answer
    x = 52,572.96

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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.