Home / 87,319.53-130,886.01-49,798.80

Finding the Fourth Proportional to 87,319.53, 130,886.01 and 49,798.80

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Solution

The fourth proportional to 87,319.53, 130,886.01 and 49,798.80 is: 74,645.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,319.53 : 130,886.01 = 49,798.80 : x
  2. Step 2: Convert to fraction form
    87,319.53/130,886.01 = 49,798.80/x
  3. Step 3: Cross multiply
    87,319.53x = 130,886.01 × 49,798.80
  4. Step 4: Simplify right side
    87,319.53x = 6,517,966,234.79
  5. Step 5: Solve for x
    x = 6,517,966,234.79/87,319.53
  6. Step 6: Final answer
    x = 74,645.00

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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.