Home / 107,775.37-148,730.05-62,479.61

Finding the Fourth Proportional to 107,775.37, 148,730.05 and 62,479.61

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Solution

The fourth proportional to 107,775.37, 148,730.05 and 62,479.61 is: 86,221.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,775.37 : 148,730.05 = 62,479.61 : x
  2. Step 2: Convert to fraction form
    107,775.37/148,730.05 = 62,479.61/x
  3. Step 3: Cross multiply
    107,775.37x = 148,730.05 × 62,479.61
  4. Step 4: Simplify right side
    107,775.37x = 9,292,594,463.23
  5. Step 5: Solve for x
    x = 9,292,594,463.23/107,775.37
  6. Step 6: Final answer
    x = 86,221.88

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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.