Home / 91,098.52-125,715.63-50,812.25

Finding the Fourth Proportional to 91,098.52, 125,715.63 and 50,812.25

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Solution

The fourth proportional to 91,098.52, 125,715.63 and 50,812.25 is: 70,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,098.52 : 125,715.63 = 50,812.25 : x
  2. Step 2: Convert to fraction form
    91,098.52/125,715.63 = 50,812.25/x
  3. Step 3: Cross multiply
    91,098.52x = 125,715.63 × 50,812.25
  4. Step 4: Simplify right side
    91,098.52x = 6,387,893,672.78
  5. Step 5: Solve for x
    x = 6,387,893,672.78/91,098.52
  6. Step 6: Final answer
    x = 70,120.72

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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.