Home / 87,268.59-130,797.03-39,818.64

Finding the Fourth Proportional to 87,268.59, 130,797.03 and 39,818.64

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Solution

The fourth proportional to 87,268.59, 130,797.03 and 39,818.64 is: 59,679.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,268.59 : 130,797.03 = 39,818.64 : x
  2. Step 2: Convert to fraction form
    87,268.59/130,797.03 = 39,818.64/x
  3. Step 3: Cross multiply
    87,268.59x = 130,797.03 × 39,818.64
  4. Step 4: Simplify right side
    87,268.59x = 5,208,159,530.73
  5. Step 5: Solve for x
    x = 5,208,159,530.73/87,268.59
  6. Step 6: Final answer
    x = 59,679.66

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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.