Home / 80,759.13-121,156.00-24,603.76

Finding the Fourth Proportional to 80,759.13, 121,156.00 and 24,603.76

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Solution

The fourth proportional to 80,759.13, 121,156.00 and 24,603.76 is: 36,910.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,759.13 : 121,156.00 = 24,603.76 : x
  2. Step 2: Convert to fraction form
    80,759.13/121,156.00 = 24,603.76/x
  3. Step 3: Cross multiply
    80,759.13x = 121,156.00 × 24,603.76
  4. Step 4: Simplify right side
    80,759.13x = 2,980,892,417.76
  5. Step 5: Solve for x
    x = 2,980,892,417.76/80,759.13
  6. Step 6: Final answer
    x = 36,910.91

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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.