Home / 87,017.79-130,268.25-47,454.96

Finding the Fourth Proportional to 87,017.79, 130,268.25 and 47,454.96

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Solution

The fourth proportional to 87,017.79, 130,268.25 and 47,454.96 is: 71,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,017.79 : 130,268.25 = 47,454.96 : x
  2. Step 2: Convert to fraction form
    87,017.79/130,268.25 = 47,454.96/x
  3. Step 3: Cross multiply
    87,017.79x = 130,268.25 × 47,454.96
  4. Step 4: Simplify right side
    87,017.79x = 6,181,875,081.53
  5. Step 5: Solve for x
    x = 6,181,875,081.53/87,017.79
  6. Step 6: Final answer
    x = 71,041.51

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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.