Home / 107,698.75-148,613.51-62,391.31

Finding the Fourth Proportional to 107,698.75, 148,613.51 and 62,391.31

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Solution

The fourth proportional to 107,698.75, 148,613.51 and 62,391.31 is: 86,093.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,698.75 : 148,613.51 = 62,391.31 : x
  2. Step 2: Convert to fraction form
    107,698.75/148,613.51 = 62,391.31/x
  3. Step 3: Cross multiply
    107,698.75x = 148,613.51 × 62,391.31
  4. Step 4: Simplify right side
    107,698.75x = 9,272,191,357.04
  5. Step 5: Solve for x
    x = 9,272,191,357.04/107,698.75
  6. Step 6: Final answer
    x = 86,093.77

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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.