Home / 107,067.10-147,748.65-61,746.97

Finding the Fourth Proportional to 107,067.10, 147,748.65 and 61,746.97

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Solution

The fourth proportional to 107,067.10, 147,748.65 and 61,746.97 is: 85,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,067.10 : 147,748.65 = 61,746.97 : x
  2. Step 2: Convert to fraction form
    107,067.10/147,748.65 = 61,746.97/x
  3. Step 3: Cross multiply
    107,067.10x = 147,748.65 × 61,746.97
  4. Step 4: Simplify right side
    107,067.10x = 9,123,031,459.09
  5. Step 5: Solve for x
    x = 9,123,031,459.09/107,067.10
  6. Step 6: Final answer
    x = 85,208.54

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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.