Home / 91,272.96-125,904.12-54,949.14

Finding the Fourth Proportional to 91,272.96, 125,904.12 and 54,949.14

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Solution

The fourth proportional to 91,272.96, 125,904.12 and 54,949.14 is: 75,798.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,272.96 : 125,904.12 = 54,949.14 : x
  2. Step 2: Convert to fraction form
    91,272.96/125,904.12 = 54,949.14/x
  3. Step 3: Cross multiply
    91,272.96x = 125,904.12 × 54,949.14
  4. Step 4: Simplify right side
    91,272.96x = 6,918,323,116.46
  5. Step 5: Solve for x
    x = 6,918,323,116.46/91,272.96
  6. Step 6: Final answer
    x = 75,798.17

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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.