Home / 112,819.84-155,697.60-62,517.76

Finding the Fourth Proportional to 112,819.84, 155,697.60 and 62,517.76

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Solution

The fourth proportional to 112,819.84, 155,697.60 and 62,517.76 is: 86,277.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,819.84 : 155,697.60 = 62,517.76 : x
  2. Step 2: Convert to fraction form
    112,819.84/155,697.60 = 62,517.76/x
  3. Step 3: Cross multiply
    112,819.84x = 155,697.60 × 62,517.76
  4. Step 4: Simplify right side
    112,819.84x = 9,733,865,189.38
  5. Step 5: Solve for x
    x = 9,733,865,189.38/112,819.84
  6. Step 6: Final answer
    x = 86,277.96

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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.