Home / 81,290.42-112,176.20-44,989.88

Finding the Fourth Proportional to 81,290.42, 112,176.20 and 44,989.88

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Solution

The fourth proportional to 81,290.42, 112,176.20 and 44,989.88 is: 62,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,290.42 : 112,176.20 = 44,989.88 : x
  2. Step 2: Convert to fraction form
    81,290.42/112,176.20 = 44,989.88/x
  3. Step 3: Cross multiply
    81,290.42x = 112,176.20 × 44,989.88
  4. Step 4: Simplify right side
    81,290.42x = 5,046,793,776.86
  5. Step 5: Solve for x
    x = 5,046,793,776.86/81,290.42
  6. Step 6: Final answer
    x = 62,083.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.