Home / 80,723.52-121,089.84-24,565.47

Finding the Fourth Proportional to 80,723.52, 121,089.84 and 24,565.47

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Solution

The fourth proportional to 80,723.52, 121,089.84 and 24,565.47 is: 36,849.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,723.52 : 121,089.84 = 24,565.47 : x
  2. Step 2: Convert to fraction form
    80,723.52/121,089.84 = 24,565.47/x
  3. Step 3: Cross multiply
    80,723.52x = 121,089.84 × 24,565.47
  4. Step 4: Simplify right side
    80,723.52x = 2,974,628,831.82
  5. Step 5: Solve for x
    x = 2,974,628,831.82/80,723.52
  6. Step 6: Final answer
    x = 36,849.59

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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.