Home / 107,703.67-148,618.16-62,375.36

Finding the Fourth Proportional to 107,703.67, 148,618.16 and 62,375.36

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Solution

The fourth proportional to 107,703.67, 148,618.16 and 62,375.36 is: 86,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,703.67 : 148,618.16 = 62,375.36 : x
  2. Step 2: Convert to fraction form
    107,703.67/148,618.16 = 62,375.36/x
  3. Step 3: Cross multiply
    107,703.67x = 148,618.16 × 62,375.36
  4. Step 4: Simplify right side
    107,703.67x = 9,270,110,645.39
  5. Step 5: Solve for x
    x = 9,270,110,645.39/107,703.67
  6. Step 6: Final answer
    x = 86,070.52

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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.