Home / 91,216.33-125,856.08-55,404.20

Finding the Fourth Proportional to 91,216.33, 125,856.08 and 55,404.20

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Solution

The fourth proportional to 91,216.33, 125,856.08 and 55,404.20 is: 76,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,216.33 : 125,856.08 = 55,404.20 : x
  2. Step 2: Convert to fraction form
    91,216.33/125,856.08 = 55,404.20/x
  3. Step 3: Cross multiply
    91,216.33x = 125,856.08 × 55,404.20
  4. Step 4: Simplify right side
    91,216.33x = 6,972,955,672.92
  5. Step 5: Solve for x
    x = 6,972,955,672.92/91,216.33
  6. Step 6: Final answer
    x = 76,444.16

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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.