Home / 89,819.19-123,948.45-49,532.22

Finding the Fourth Proportional to 89,819.19, 123,948.45 and 49,532.22

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Solution

The fourth proportional to 89,819.19, 123,948.45 and 49,532.22 is: 68,353.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,819.19 : 123,948.45 = 49,532.22 : x
  2. Step 2: Convert to fraction form
    89,819.19/123,948.45 = 49,532.22/x
  3. Step 3: Cross multiply
    89,819.19x = 123,948.45 × 49,532.22
  4. Step 4: Simplify right side
    89,819.19x = 6,139,441,894.06
  5. Step 5: Solve for x
    x = 6,139,441,894.06/89,819.19
  6. Step 6: Final answer
    x = 68,353.34

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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.