Home / 115,337.71-159,181.94-67,610.11

Finding the Fourth Proportional to 115,337.71, 159,181.94 and 67,610.11

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Solution

The fourth proportional to 115,337.71, 159,181.94 and 67,610.11 is: 93,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,337.71 : 159,181.94 = 67,610.11 : x
  2. Step 2: Convert to fraction form
    115,337.71/159,181.94 = 67,610.11/x
  3. Step 3: Cross multiply
    115,337.71x = 159,181.94 × 67,610.11
  4. Step 4: Simplify right side
    115,337.71x = 10,762,308,473.41
  5. Step 5: Solve for x
    x = 10,762,308,473.41/115,337.71
  6. Step 6: Final answer
    x = 93,311.27

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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.