Home / 107,472.74-148,315.39-62,146.35

Finding the Fourth Proportional to 107,472.74, 148,315.39 and 62,146.35

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Solution

The fourth proportional to 107,472.74, 148,315.39 and 62,146.35 is: 85,763.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,472.74 : 148,315.39 = 62,146.35 : x
  2. Step 2: Convert to fraction form
    107,472.74/148,315.39 = 62,146.35/x
  3. Step 3: Cross multiply
    107,472.74x = 148,315.39 × 62,146.35
  4. Step 4: Simplify right side
    107,472.74x = 9,217,259,981.96
  5. Step 5: Solve for x
    x = 9,217,259,981.96/107,472.74
  6. Step 6: Final answer
    x = 85,763.71

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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.