Home / 87,025.04-130,521.84-39,629.12

Finding the Fourth Proportional to 87,025.04, 130,521.84 and 39,629.12

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Solution

The fourth proportional to 87,025.04, 130,521.84 and 39,629.12 is: 59,436.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,025.04 : 130,521.84 = 39,629.12 : x
  2. Step 2: Convert to fraction form
    87,025.04/130,521.84 = 39,629.12/x
  3. Step 3: Cross multiply
    87,025.04x = 130,521.84 × 39,629.12
  4. Step 4: Simplify right side
    87,025.04x = 5,172,465,659.98
  5. Step 5: Solve for x
    x = 5,172,465,659.98/87,025.04
  6. Step 6: Final answer
    x = 59,436.52

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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.