Home / 107,723.15-148,657.95-62,409.89

Finding the Fourth Proportional to 107,723.15, 148,657.95 and 62,409.89

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Solution

The fourth proportional to 107,723.15, 148,657.95 and 62,409.89 is: 86,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,723.15 : 148,657.95 = 62,409.89 : x
  2. Step 2: Convert to fraction form
    107,723.15/148,657.95 = 62,409.89/x
  3. Step 3: Cross multiply
    107,723.15x = 148,657.95 × 62,409.89
  4. Step 4: Simplify right side
    107,723.15x = 9,277,725,251.79
  5. Step 5: Solve for x
    x = 9,277,725,251.79/107,723.15
  6. Step 6: Final answer
    x = 86,125.64

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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.