Home / 88,742.13-122,469.12-48,459.65

Finding the Fourth Proportional to 88,742.13, 122,469.12 and 48,459.65

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Solution

The fourth proportional to 88,742.13, 122,469.12 and 48,459.65 is: 66,877.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,742.13 : 122,469.12 = 48,459.65 : x
  2. Step 2: Convert to fraction form
    88,742.13/122,469.12 = 48,459.65/x
  3. Step 3: Cross multiply
    88,742.13x = 122,469.12 × 48,459.65
  4. Step 4: Simplify right side
    88,742.13x = 5,934,810,078.66
  5. Step 5: Solve for x
    x = 5,934,810,078.66/88,742.13
  6. Step 6: Final answer
    x = 66,877.03

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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.