Home / 83,545.70-125,289.38-33,612.84

Finding the Fourth Proportional to 83,545.70, 125,289.38 and 33,612.84

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Solution

The fourth proportional to 83,545.70, 125,289.38 and 33,612.84 is: 50,407.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.70 : 125,289.38 = 33,612.84 : x
  2. Step 2: Convert to fraction form
    83,545.70/125,289.38 = 33,612.84/x
  3. Step 3: Cross multiply
    83,545.70x = 125,289.38 × 33,612.84
  4. Step 4: Simplify right side
    83,545.70x = 4,211,331,967.67
  5. Step 5: Solve for x
    x = 4,211,331,967.67/83,545.70
  6. Step 6: Final answer
    x = 50,407.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.