Home / 91,149.92-125,788.08-52,918.40

Finding the Fourth Proportional to 91,149.92, 125,788.08 and 52,918.40

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Solution

The fourth proportional to 91,149.92, 125,788.08 and 52,918.40 is: 73,028.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,149.92 : 125,788.08 = 52,918.40 : x
  2. Step 2: Convert to fraction form
    91,149.92/125,788.08 = 52,918.40/x
  3. Step 3: Cross multiply
    91,149.92x = 125,788.08 × 52,918.40
  4. Step 4: Simplify right side
    91,149.92x = 6,656,503,932.67
  5. Step 5: Solve for x
    x = 6,656,503,932.67/91,149.92
  6. Step 6: Final answer
    x = 73,028.08

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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.