Home / 89,042.66-122,873.45-48,756.90

Finding the Fourth Proportional to 89,042.66, 122,873.45 and 48,756.90

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Solution

The fourth proportional to 89,042.66, 122,873.45 and 48,756.90 is: 67,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,042.66 : 122,873.45 = 48,756.90 : x
  2. Step 2: Convert to fraction form
    89,042.66/122,873.45 = 48,756.90/x
  3. Step 3: Cross multiply
    89,042.66x = 122,873.45 × 48,756.90
  4. Step 4: Simplify right side
    89,042.66x = 5,990,928,270.52
  5. Step 5: Solve for x
    x = 5,990,928,270.52/89,042.66
  6. Step 6: Final answer
    x = 67,281.55

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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.