Home / 87,043.82-130,624.11-55,900.94

Finding the Fourth Proportional to 87,043.82, 130,624.11 and 55,900.94

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Solution

The fourth proportional to 87,043.82, 130,624.11 and 55,900.94 is: 83,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,043.82 : 130,624.11 = 55,900.94 : x
  2. Step 2: Convert to fraction form
    87,043.82/130,624.11 = 55,900.94/x
  3. Step 3: Cross multiply
    87,043.82x = 130,624.11 × 55,900.94
  4. Step 4: Simplify right side
    87,043.82x = 7,302,010,535.66
  5. Step 5: Solve for x
    x = 7,302,010,535.66/87,043.82
  6. Step 6: Final answer
    x = 83,888.90

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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.