Home / 89,525.72-123,545.45-49,242.20

Finding the Fourth Proportional to 89,525.72, 123,545.45 and 49,242.20

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Solution

The fourth proportional to 89,525.72, 123,545.45 and 49,242.20 is: 67,954.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,525.72 : 123,545.45 = 49,242.20 : x
  2. Step 2: Convert to fraction form
    89,525.72/123,545.45 = 49,242.20/x
  3. Step 3: Cross multiply
    89,525.72x = 123,545.45 × 49,242.20
  4. Step 4: Simplify right side
    89,525.72x = 6,083,649,263.37
  5. Step 5: Solve for x
    x = 6,083,649,263.37/89,525.72
  6. Step 6: Final answer
    x = 67,954.20

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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.