Home / 105,571.52-145,691.06-60,248.60

Finding the Fourth Proportional to 105,571.52, 145,691.06 and 60,248.60

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Solution

The fourth proportional to 105,571.52, 145,691.06 and 60,248.60 is: 83,144.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,571.52 : 145,691.06 = 60,248.60 : x
  2. Step 2: Convert to fraction form
    105,571.52/145,691.06 = 60,248.60/x
  3. Step 3: Cross multiply
    105,571.52x = 145,691.06 × 60,248.60
  4. Step 4: Simplify right side
    105,571.52x = 8,777,682,397.52
  5. Step 5: Solve for x
    x = 8,777,682,397.52/105,571.52
  6. Step 6: Final answer
    x = 83,144.42

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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.