Home / 89,079.66-122,929.79-48,795.12

Finding the Fourth Proportional to 89,079.66, 122,929.79 and 48,795.12

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Solution

The fourth proportional to 89,079.66, 122,929.79 and 48,795.12 is: 67,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,079.66 : 122,929.79 = 48,795.12 : x
  2. Step 2: Convert to fraction form
    89,079.66/122,929.79 = 48,795.12/x
  3. Step 3: Cross multiply
    89,079.66x = 122,929.79 × 48,795.12
  4. Step 4: Simplify right side
    89,079.66x = 5,998,373,610.65
  5. Step 5: Solve for x
    x = 5,998,373,610.65/89,079.66
  6. Step 6: Final answer
    x = 67,337.19

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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.