Home / 87,082.92-130,682.52-31,678.92

Finding the Fourth Proportional to 87,082.92, 130,682.52 and 31,678.92

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Solution

The fourth proportional to 87,082.92, 130,682.52 and 31,678.92 is: 47,539.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,082.92 : 130,682.52 = 31,678.92 : x
  2. Step 2: Convert to fraction form
    87,082.92/130,682.52 = 31,678.92/x
  3. Step 3: Cross multiply
    87,082.92x = 130,682.52 × 31,678.92
  4. Step 4: Simplify right side
    87,082.92x = 4,139,881,096.48
  5. Step 5: Solve for x
    x = 4,139,881,096.48/87,082.92
  6. Step 6: Final answer
    x = 47,539.53

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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.