Home / 83,009.20-124,513.80-36,353.20

Finding the Fourth Proportional to 83,009.20, 124,513.80 and 36,353.20

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Solution

The fourth proportional to 83,009.20, 124,513.80 and 36,353.20 is: 54,529.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,009.20 : 124,513.80 = 36,353.20 : x
  2. Step 2: Convert to fraction form
    83,009.20/124,513.80 = 36,353.20/x
  3. Step 3: Cross multiply
    83,009.20x = 124,513.80 × 36,353.20
  4. Step 4: Simplify right side
    83,009.20x = 4,526,475,074.16
  5. Step 5: Solve for x
    x = 4,526,475,074.16/83,009.20
  6. Step 6: Final answer
    x = 54,529.80

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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.