Home / 87,000.42-130,479.33-27,823.83

Finding the Fourth Proportional to 87,000.42, 130,479.33 and 27,823.83

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Solution

The fourth proportional to 87,000.42, 130,479.33 and 27,823.83 is: 41,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,000.42 : 130,479.33 = 27,823.83 : x
  2. Step 2: Convert to fraction form
    87,000.42/130,479.33 = 27,823.83/x
  3. Step 3: Cross multiply
    87,000.42x = 130,479.33 × 27,823.83
  4. Step 4: Simplify right side
    87,000.42x = 3,630,434,696.43
  5. Step 5: Solve for x
    x = 3,630,434,696.43/87,000.42
  6. Step 6: Final answer
    x = 41,728.93

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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.