Home / 58,758.20-81,086.38-31,900.70

Finding the Fourth Proportional to 58,758.20, 81,086.38 and 31,900.70

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Solution

The fourth proportional to 58,758.20, 81,086.38 and 31,900.70 is: 44,023.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,758.20 : 81,086.38 = 31,900.70 : x
  2. Step 2: Convert to fraction form
    58,758.20/81,086.38 = 31,900.70/x
  3. Step 3: Cross multiply
    58,758.20x = 81,086.38 × 31,900.70
  4. Step 4: Simplify right side
    58,758.20x = 2,586,712,282.47
  5. Step 5: Solve for x
    x = 2,586,712,282.47/58,758.20
  6. Step 6: Final answer
    x = 44,023.00

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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.