Home / 83,020.20-124,530.30-23,852.40

Finding the Fourth Proportional to 83,020.20, 124,530.30 and 23,852.40

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Solution

The fourth proportional to 83,020.20, 124,530.30 and 23,852.40 is: 35,778.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,020.20 : 124,530.30 = 23,852.40 : x
  2. Step 2: Convert to fraction form
    83,020.20/124,530.30 = 23,852.40/x
  3. Step 3: Cross multiply
    83,020.20x = 124,530.30 × 23,852.40
  4. Step 4: Simplify right side
    83,020.20x = 2,970,346,527.72
  5. Step 5: Solve for x
    x = 2,970,346,527.72/83,020.20
  6. Step 6: Final answer
    x = 35,778.60

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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.