Home / 88,720.56-132,958.74-38,842.38

Finding the Fourth Proportional to 88,720.56, 132,958.74 and 38,842.38

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Solution

The fourth proportional to 88,720.56, 132,958.74 and 38,842.38 is: 58,210.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,720.56 : 132,958.74 = 38,842.38 : x
  2. Step 2: Convert to fraction form
    88,720.56/132,958.74 = 38,842.38/x
  3. Step 3: Cross multiply
    88,720.56x = 132,958.74 × 38,842.38
  4. Step 4: Simplify right side
    88,720.56x = 5,164,433,903.40
  5. Step 5: Solve for x
    x = 5,164,433,903.40/88,720.56
  6. Step 6: Final answer
    x = 58,210.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.