Home / 89,559.60-123,508.36-55,573.62

Finding the Fourth Proportional to 89,559.60, 123,508.36 and 55,573.62

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Solution

The fourth proportional to 89,559.60, 123,508.36 and 55,573.62 is: 76,639.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,559.60 : 123,508.36 = 55,573.62 : x
  2. Step 2: Convert to fraction form
    89,559.60/123,508.36 = 55,573.62/x
  3. Step 3: Cross multiply
    89,559.60x = 123,508.36 × 55,573.62
  4. Step 4: Simplify right side
    89,559.60x = 6,863,806,665.46
  5. Step 5: Solve for x
    x = 6,863,806,665.46/89,559.60
  6. Step 6: Final answer
    x = 76,639.54

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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.