Home / 87,317.96-130,879.02-34,713.32

Finding the Fourth Proportional to 87,317.96, 130,879.02 and 34,713.32

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Solution

The fourth proportional to 87,317.96, 130,879.02 and 34,713.32 is: 52,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,317.96 : 130,879.02 = 34,713.32 : x
  2. Step 2: Convert to fraction form
    87,317.96/130,879.02 = 34,713.32/x
  3. Step 3: Cross multiply
    87,317.96x = 130,879.02 × 34,713.32
  4. Step 4: Simplify right side
    87,317.96x = 4,543,245,302.55
  5. Step 5: Solve for x
    x = 4,543,245,302.55/87,317.96
  6. Step 6: Final answer
    x = 52,031.05

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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.