Home / 87,502.01-131,254.88-31,345.77

Finding the Fourth Proportional to 87,502.01, 131,254.88 and 31,345.77

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Solution

The fourth proportional to 87,502.01, 131,254.88 and 31,345.77 is: 47,019.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,502.01 : 131,254.88 = 31,345.77 : x
  2. Step 2: Convert to fraction form
    87,502.01/131,254.88 = 31,345.77/x
  3. Step 3: Cross multiply
    87,502.01x = 131,254.88 × 31,345.77
  4. Step 4: Simplify right side
    87,502.01x = 4,114,285,123.13
  5. Step 5: Solve for x
    x = 4,114,285,123.13/87,502.01
  6. Step 6: Final answer
    x = 47,019.32

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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.