Home / 86,972.52-120,024.52-49,246.76

Finding the Fourth Proportional to 86,972.52, 120,024.52 and 49,246.76

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Solution

The fourth proportional to 86,972.52, 120,024.52 and 49,246.76 is: 67,961.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.52 : 120,024.52 = 49,246.76 : x
  2. Step 2: Convert to fraction form
    86,972.52/120,024.52 = 49,246.76/x
  3. Step 3: Cross multiply
    86,972.52x = 120,024.52 × 49,246.76
  4. Step 4: Simplify right side
    86,972.52x = 5,910,818,730.56
  5. Step 5: Solve for x
    x = 5,910,818,730.56/86,972.52
  6. Step 6: Final answer
    x = 67,961.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.