Home / 87,315.96-130,876.02-34,711.32

Finding the Fourth Proportional to 87,315.96, 130,876.02 and 34,711.32

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Solution

The fourth proportional to 87,315.96, 130,876.02 and 34,711.32 is: 52,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,315.96 : 130,876.02 = 34,711.32 : x
  2. Step 2: Convert to fraction form
    87,315.96/130,876.02 = 34,711.32/x
  3. Step 3: Cross multiply
    87,315.96x = 130,876.02 × 34,711.32
  4. Step 4: Simplify right side
    87,315.96x = 4,542,879,410.55
  5. Step 5: Solve for x
    x = 4,542,879,410.55/87,315.96
  6. Step 6: Final answer
    x = 52,028.05

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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.