Home / 88,213.76-132,320.43-38,287.38

Finding the Fourth Proportional to 88,213.76, 132,320.43 and 38,287.38

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Solution

The fourth proportional to 88,213.76, 132,320.43 and 38,287.38 is: 57,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,213.76 : 132,320.43 = 38,287.38 : x
  2. Step 2: Convert to fraction form
    88,213.76/132,320.43 = 38,287.38/x
  3. Step 3: Cross multiply
    88,213.76x = 132,320.43 × 38,287.38
  4. Step 4: Simplify right side
    88,213.76x = 5,066,202,393.74
  5. Step 5: Solve for x
    x = 5,066,202,393.74/88,213.76
  6. Step 6: Final answer
    x = 57,430.98

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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.