Home / 80,830.47-111,597.11-59,572.71

Finding the Fourth Proportional to 80,830.47, 111,597.11 and 59,572.71

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Solution

The fourth proportional to 80,830.47, 111,597.11 and 59,572.71 is: 82,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,830.47 : 111,597.11 = 59,572.71 : x
  2. Step 2: Convert to fraction form
    80,830.47/111,597.11 = 59,572.71/x
  3. Step 3: Cross multiply
    80,830.47x = 111,597.11 × 59,572.71
  4. Step 4: Simplify right side
    80,830.47x = 6,648,141,861.81
  5. Step 5: Solve for x
    x = 6,648,141,861.81/80,830.47
  6. Step 6: Final answer
    x = 82,247.97

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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.