Home / 91,061.43-125,664.26-50,775.68

Finding the Fourth Proportional to 91,061.43, 125,664.26 and 50,775.68

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Solution

The fourth proportional to 91,061.43, 125,664.26 and 50,775.68 is: 70,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,061.43 : 125,664.26 = 50,775.68 : x
  2. Step 2: Convert to fraction form
    91,061.43/125,664.26 = 50,775.68/x
  3. Step 3: Cross multiply
    91,061.43x = 125,664.26 × 50,775.68
  4. Step 4: Simplify right side
    91,061.43x = 6,380,687,371.00
  5. Step 5: Solve for x
    x = 6,380,687,371.00/91,061.43
  6. Step 6: Final answer
    x = 70,070.14

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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.