Home / 117,821.32-176,759.33-38,930.76

Finding the Fourth Proportional to 117,821.32, 176,759.33 and 38,930.76

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Solution

The fourth proportional to 117,821.32, 176,759.33 and 38,930.76 is: 58,405.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,821.32 : 176,759.33 = 38,930.76 : x
  2. Step 2: Convert to fraction form
    117,821.32/176,759.33 = 38,930.76/x
  3. Step 3: Cross multiply
    117,821.32x = 176,759.33 × 38,930.76
  4. Step 4: Simplify right side
    117,821.32x = 6,881,374,859.34
  5. Step 5: Solve for x
    x = 6,881,374,859.34/117,821.32
  6. Step 6: Final answer
    x = 58,405.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.