Home / 87,084.58-130,922.16-69,539.38

Finding the Fourth Proportional to 87,084.58, 130,922.16 and 69,539.38

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Solution

The fourth proportional to 87,084.58, 130,922.16 and 69,539.38 is: 104,544.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084.58 : 130,922.16 = 69,539.38 : x
  2. Step 2: Convert to fraction form
    87,084.58/130,922.16 = 69,539.38/x
  3. Step 3: Cross multiply
    87,084.58x = 130,922.16 × 69,539.38
  4. Step 4: Simplify right side
    87,084.58x = 9,104,245,834.66
  5. Step 5: Solve for x
    x = 9,104,245,834.66/87,084.58
  6. Step 6: Final answer
    x = 104,544.87

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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.