Home / 71,861.40-107,660.76-52,090.92

Finding the Fourth Proportional to 71,861.40, 107,660.76 and 52,090.92

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Solution

The fourth proportional to 71,861.40, 107,660.76 and 52,090.92 is: 78,041.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,861.40 : 107,660.76 = 52,090.92 : x
  2. Step 2: Convert to fraction form
    71,861.40/107,660.76 = 52,090.92/x
  3. Step 3: Cross multiply
    71,861.40x = 107,660.76 × 52,090.92
  4. Step 4: Simplify right side
    71,861.40x = 5,608,148,036.30
  5. Step 5: Solve for x
    x = 5,608,148,036.30/71,861.40
  6. Step 6: Final answer
    x = 78,041.17

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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.