Home / 80,817.60-121,267.92-35,869.77

Finding the Fourth Proportional to 80,817.60, 121,267.92 and 35,869.77

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Solution

The fourth proportional to 80,817.60, 121,267.92 and 35,869.77 is: 53,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,817.60 : 121,267.92 = 35,869.77 : x
  2. Step 2: Convert to fraction form
    80,817.60/121,267.92 = 35,869.77/x
  3. Step 3: Cross multiply
    80,817.60x = 121,267.92 × 35,869.77
  4. Step 4: Simplify right side
    80,817.60x = 4,349,852,398.78
  5. Step 5: Solve for x
    x = 4,349,852,398.78/80,817.60
  6. Step 6: Final answer
    x = 53,823.08

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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.