Home / 75,789.36-113,700.48-29,042.28

Finding the Fourth Proportional to 75,789.36, 113,700.48 and 29,042.28

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Solution

The fourth proportional to 75,789.36, 113,700.48 and 29,042.28 is: 43,569.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,789.36 : 113,700.48 = 29,042.28 : x
  2. Step 2: Convert to fraction form
    75,789.36/113,700.48 = 29,042.28/x
  3. Step 3: Cross multiply
    75,789.36x = 113,700.48 × 29,042.28
  4. Step 4: Simplify right side
    75,789.36x = 3,302,121,176.29
  5. Step 5: Solve for x
    x = 3,302,121,176.29/75,789.36
  6. Step 6: Final answer
    x = 43,569.72

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1.5x scale

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.