Home / 107,743.60-148,686.16-62,447.86

Finding the Fourth Proportional to 107,743.60, 148,686.16 and 62,447.86

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Solution

The fourth proportional to 107,743.60, 148,686.16 and 62,447.86 is: 86,178.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,743.60 : 148,686.16 = 62,447.86 : x
  2. Step 2: Convert to fraction form
    107,743.60/148,686.16 = 62,447.86/x
  3. Step 3: Cross multiply
    107,743.60x = 148,686.16 × 62,447.86
  4. Step 4: Simplify right side
    107,743.60x = 9,285,131,975.78
  5. Step 5: Solve for x
    x = 9,285,131,975.78/107,743.60
  6. Step 6: Final answer
    x = 86,178.04

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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.