Home / 87,188.24-130,913.54-49,790.52

Finding the Fourth Proportional to 87,188.24, 130,913.54 and 49,790.52

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Solution

The fourth proportional to 87,188.24, 130,913.54 and 49,790.52 is: 74,760.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,188.24 : 130,913.54 = 49,790.52 : x
  2. Step 2: Convert to fraction form
    87,188.24/130,913.54 = 49,790.52/x
  3. Step 3: Cross multiply
    87,188.24x = 130,913.54 × 49,790.52
  4. Step 4: Simplify right side
    87,188.24x = 6,518,253,231.64
  5. Step 5: Solve for x
    x = 6,518,253,231.64/87,188.24
  6. Step 6: Final answer
    x = 74,760.69

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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.