Home / 80,702.96-121,053.45-36,298.35

Finding the Fourth Proportional to 80,702.96, 121,053.45 and 36,298.35

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Solution

The fourth proportional to 80,702.96, 121,053.45 and 36,298.35 is: 54,447.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,702.96 : 121,053.45 = 36,298.35 : x
  2. Step 2: Convert to fraction form
    80,702.96/121,053.45 = 36,298.35/x
  3. Step 3: Cross multiply
    80,702.96x = 121,053.45 × 36,298.35
  4. Step 4: Simplify right side
    80,702.96x = 4,394,040,496.81
  5. Step 5: Solve for x
    x = 4,394,040,496.81/80,702.96
  6. Step 6: Final answer
    x = 54,447.08

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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.