Home / 90,545.86-124,950.90-50,259.52

Finding the Fourth Proportional to 90,545.86, 124,950.90 and 50,259.52

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Solution

The fourth proportional to 90,545.86, 124,950.90 and 50,259.52 is: 69,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,545.86 : 124,950.90 = 50,259.52 : x
  2. Step 2: Convert to fraction form
    90,545.86/124,950.90 = 50,259.52/x
  3. Step 3: Cross multiply
    90,545.86x = 124,950.90 × 50,259.52
  4. Step 4: Simplify right side
    90,545.86x = 6,279,972,257.57
  5. Step 5: Solve for x
    x = 6,279,972,257.57/90,545.86
  6. Step 6: Final answer
    x = 69,356.81

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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.