Home / 72,382.76-109,067.24-59,523.20

Finding the Fourth Proportional to 72,382.76, 109,067.24 and 59,523.20

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Solution

The fourth proportional to 72,382.76, 109,067.24 and 59,523.20 is: 89,690.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,382.76 : 109,067.24 = 59,523.20 : x
  2. Step 2: Convert to fraction form
    72,382.76/109,067.24 = 59,523.20/x
  3. Step 3: Cross multiply
    72,382.76x = 109,067.24 × 59,523.20
  4. Step 4: Simplify right side
    72,382.76x = 6,492,031,139.97
  5. Step 5: Solve for x
    x = 6,492,031,139.97/72,382.76
  6. Step 6: Final answer
    x = 89,690.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.