Home / 83,430.62-125,145.85-33,510.73

Finding the Fourth Proportional to 83,430.62, 125,145.85 and 33,510.73

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Solution

The fourth proportional to 83,430.62, 125,145.85 and 33,510.73 is: 50,266.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,430.62 : 125,145.85 = 33,510.73 : x
  2. Step 2: Convert to fraction form
    83,430.62/125,145.85 = 33,510.73/x
  3. Step 3: Cross multiply
    83,430.62x = 125,145.85 × 33,510.73
  4. Step 4: Simplify right side
    83,430.62x = 4,193,728,690.81
  5. Step 5: Solve for x
    x = 4,193,728,690.81/83,430.62
  6. Step 6: Final answer
    x = 50,266.06

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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.