Home / 52,125.12-71,886.20-40,642.83

Finding the Fourth Proportional to 52,125.12, 71,886.20 and 40,642.83

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Solution

The fourth proportional to 52,125.12, 71,886.20 and 40,642.83 is: 56,050.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,125.12 : 71,886.20 = 40,642.83 : x
  2. Step 2: Convert to fraction form
    52,125.12/71,886.20 = 40,642.83/x
  3. Step 3: Cross multiply
    52,125.12x = 71,886.20 × 40,642.83
  4. Step 4: Simplify right side
    52,125.12x = 2,921,658,402.73
  5. Step 5: Solve for x
    x = 2,921,658,402.73/52,125.12
  6. Step 6: Final answer
    x = 56,050.87

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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.