Home / 80,838.06-121,270.59-36,463.83

Finding the Fourth Proportional to 80,838.06, 121,270.59 and 36,463.83

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Solution

The fourth proportional to 80,838.06, 121,270.59 and 36,463.83 is: 54,701.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,838.06 : 121,270.59 = 36,463.83 : x
  2. Step 2: Convert to fraction form
    80,838.06/121,270.59 = 36,463.83/x
  3. Step 3: Cross multiply
    80,838.06x = 121,270.59 × 36,463.83
  4. Step 4: Simplify right side
    80,838.06x = 4,421,990,177.76
  5. Step 5: Solve for x
    x = 4,421,990,177.76/80,838.06
  6. Step 6: Final answer
    x = 54,701.83

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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.