Home / 89,353.43-123,309.03-49,070.81

Finding the Fourth Proportional to 89,353.43, 123,309.03 and 49,070.81

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Solution

The fourth proportional to 89,353.43, 123,309.03 and 49,070.81 is: 67,718.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,353.43 : 123,309.03 = 49,070.81 : x
  2. Step 2: Convert to fraction form
    89,353.43/123,309.03 = 49,070.81/x
  3. Step 3: Cross multiply
    89,353.43x = 123,309.03 × 49,070.81
  4. Step 4: Simplify right side
    89,353.43x = 6,050,874,474.70
  5. Step 5: Solve for x
    x = 6,050,874,474.70/89,353.43
  6. Step 6: Final answer
    x = 67,718.44

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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.