Home / 80,726.42-121,108.06-24,574.50

Finding the Fourth Proportional to 80,726.42, 121,108.06 and 24,574.50

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Solution

The fourth proportional to 80,726.42, 121,108.06 and 24,574.50 is: 36,867.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,726.42 : 121,108.06 = 24,574.50 : x
  2. Step 2: Convert to fraction form
    80,726.42/121,108.06 = 24,574.50/x
  3. Step 3: Cross multiply
    80,726.42x = 121,108.06 × 24,574.50
  4. Step 4: Simplify right side
    80,726.42x = 2,976,170,020.47
  5. Step 5: Solve for x
    x = 2,976,170,020.47/80,726.42
  6. Step 6: Final answer
    x = 36,867.36

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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.