Home / 80,538.64-120,777.18-26,490.75

Finding the Fourth Proportional to 80,538.64, 120,777.18 and 26,490.75

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Solution

The fourth proportional to 80,538.64, 120,777.18 and 26,490.75 is: 39,726.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.64 : 120,777.18 = 26,490.75 : x
  2. Step 2: Convert to fraction form
    80,538.64/120,777.18 = 26,490.75/x
  3. Step 3: Cross multiply
    80,538.64x = 120,777.18 × 26,490.75
  4. Step 4: Simplify right side
    80,538.64x = 3,199,477,528.83
  5. Step 5: Solve for x
    x = 3,199,477,528.83/80,538.64
  6. Step 6: Final answer
    x = 39,726.00

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1.5x scale

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.