Home / 75,973.28-113,973.69-38,042.33

Finding the Fourth Proportional to 75,973.28, 113,973.69 and 38,042.33

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Solution

The fourth proportional to 75,973.28, 113,973.69 and 38,042.33 is: 57,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,973.28 : 113,973.69 = 38,042.33 : x
  2. Step 2: Convert to fraction form
    75,973.28/113,973.69 = 38,042.33/x
  3. Step 3: Cross multiply
    75,973.28x = 113,973.69 × 38,042.33
  4. Step 4: Simplify right side
    75,973.28x = 4,335,824,726.30
  5. Step 5: Solve for x
    x = 4,335,824,726.30/75,973.28
  6. Step 6: Final answer
    x = 57,070.39

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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.