Home / 107,470.65-148,297.73-62,141.78

Finding the Fourth Proportional to 107,470.65, 148,297.73 and 62,141.78

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Solution

The fourth proportional to 107,470.65, 148,297.73 and 62,141.78 is: 85,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,470.65 : 148,297.73 = 62,141.78 : x
  2. Step 2: Convert to fraction form
    107,470.65/148,297.73 = 62,141.78/x
  3. Step 3: Cross multiply
    107,470.65x = 148,297.73 × 62,141.78
  4. Step 4: Simplify right side
    107,470.65x = 9,215,483,859.96
  5. Step 5: Solve for x
    x = 9,215,483,859.96/107,470.65
  6. Step 6: Final answer
    x = 85,748.84

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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.