Home / 91,246.74-125,876.76-57,238.14

Finding the Fourth Proportional to 91,246.74, 125,876.76 and 57,238.14

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Solution

The fourth proportional to 91,246.74, 125,876.76 and 57,238.14 is: 78,961.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,246.74 : 125,876.76 = 57,238.14 : x
  2. Step 2: Convert to fraction form
    91,246.74/125,876.76 = 57,238.14/x
  3. Step 3: Cross multiply
    91,246.74x = 125,876.76 × 57,238.14
  4. Step 4: Simplify right side
    91,246.74x = 7,204,951,611.63
  5. Step 5: Solve for x
    x = 7,204,951,611.63/91,246.74
  6. Step 6: Final answer
    x = 78,961.19

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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.