Home / 80,925.44-121,426.68-36,565.76

Finding the Fourth Proportional to 80,925.44, 121,426.68 and 36,565.76

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Solution

The fourth proportional to 80,925.44, 121,426.68 and 36,565.76 is: 54,866.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,925.44 : 121,426.68 = 36,565.76 : x
  2. Step 2: Convert to fraction form
    80,925.44/121,426.68 = 36,565.76/x
  3. Step 3: Cross multiply
    80,925.44x = 121,426.68 × 36,565.76
  4. Step 4: Simplify right side
    80,925.44x = 4,440,058,838.48
  5. Step 5: Solve for x
    x = 4,440,058,838.48/80,925.44
  6. Step 6: Final answer
    x = 54,866.05

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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.