Home / 65,545.20-90,371.70-48,525.48

Finding the Fourth Proportional to 65,545.20, 90,371.70 and 48,525.48

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Solution

The fourth proportional to 65,545.20, 90,371.70 and 48,525.48 is: 66,905.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,545.20 : 90,371.70 = 48,525.48 : x
  2. Step 2: Convert to fraction form
    65,545.20/90,371.70 = 48,525.48/x
  3. Step 3: Cross multiply
    65,545.20x = 90,371.70 × 48,525.48
  4. Step 4: Simplify right side
    65,545.20x = 4,385,330,120.92
  5. Step 5: Solve for x
    x = 4,385,330,120.92/65,545.20
  6. Step 6: Final answer
    x = 66,905.44

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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.