Home / 89,806.50-123,938.19-49,528.83

Finding the Fourth Proportional to 89,806.50, 123,938.19 and 49,528.83

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Solution

The fourth proportional to 89,806.50, 123,938.19 and 49,528.83 is: 68,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,806.50 : 123,938.19 = 49,528.83 : x
  2. Step 2: Convert to fraction form
    89,806.50/123,938.19 = 49,528.83/x
  3. Step 3: Cross multiply
    89,806.50x = 123,938.19 × 49,528.83
  4. Step 4: Simplify right side
    89,806.50x = 6,138,513,543.02
  5. Step 5: Solve for x
    x = 6,138,513,543.02/89,806.50
  6. Step 6: Final answer
    x = 68,352.66

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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.