Home / 83,212.20-124,818.30-73,370.70

Finding the Fourth Proportional to 83,212.20, 124,818.30 and 73,370.70

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Solution

The fourth proportional to 83,212.20, 124,818.30 and 73,370.70 is: 110,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,212.20 : 124,818.30 = 73,370.70 : x
  2. Step 2: Convert to fraction form
    83,212.20/124,818.30 = 73,370.70/x
  3. Step 3: Cross multiply
    83,212.20x = 124,818.30 × 73,370.70
  4. Step 4: Simplify right side
    83,212.20x = 9,158,006,043.81
  5. Step 5: Solve for x
    x = 9,158,006,043.81/83,212.20
  6. Step 6: Final answer
    x = 110,056.05

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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.