Home / 89,545.07-123,576.35-49,258.10

Finding the Fourth Proportional to 89,545.07, 123,576.35 and 49,258.10

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Solution

The fourth proportional to 89,545.07, 123,576.35 and 49,258.10 is: 67,978.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,545.07 : 123,576.35 = 49,258.10 : x
  2. Step 2: Convert to fraction form
    89,545.07/123,576.35 = 49,258.10/x
  3. Step 3: Cross multiply
    89,545.07x = 123,576.35 × 49,258.10
  4. Step 4: Simplify right side
    89,545.07x = 6,087,135,341.76
  5. Step 5: Solve for x
    x = 6,087,135,341.76/89,545.07
  6. Step 6: Final answer
    x = 67,978.46

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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.