Home / 107,663.83-148,575.87-66,812.75

Finding the Fourth Proportional to 107,663.83, 148,575.87 and 66,812.75

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Solution

The fourth proportional to 107,663.83, 148,575.87 and 66,812.75 is: 92,201.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,663.83 : 148,575.87 = 66,812.75 : x
  2. Step 2: Convert to fraction form
    107,663.83/148,575.87 = 66,812.75/x
  3. Step 3: Cross multiply
    107,663.83x = 148,575.87 × 66,812.75
  4. Step 4: Simplify right side
    107,663.83x = 9,926,762,272.62
  5. Step 5: Solve for x
    x = 9,926,762,272.62/107,663.83
  6. Step 6: Final answer
    x = 92,201.46

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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.