Home / 83,636.04-125,454.42-28,270.92

Finding the Fourth Proportional to 83,636.04, 125,454.42 and 28,270.92

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Solution

The fourth proportional to 83,636.04, 125,454.42 and 28,270.92 is: 42,406.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,636.04 : 125,454.42 = 28,270.92 : x
  2. Step 2: Convert to fraction form
    83,636.04/125,454.42 = 28,270.92/x
  3. Step 3: Cross multiply
    83,636.04x = 125,454.42 × 28,270.92
  4. Step 4: Simplify right side
    83,636.04x = 3,546,711,871.47
  5. Step 5: Solve for x
    x = 3,546,711,871.47/83,636.04
  6. Step 6: Final answer
    x = 42,406.50

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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.