Home / 116,981.66-175,487.06-38,074.70

Finding the Fourth Proportional to 116,981.66, 175,487.06 and 38,074.70

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Solution

The fourth proportional to 116,981.66, 175,487.06 and 38,074.70 is: 57,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,981.66 : 175,487.06 = 38,074.70 : x
  2. Step 2: Convert to fraction form
    116,981.66/175,487.06 = 38,074.70/x
  3. Step 3: Cross multiply
    116,981.66x = 175,487.06 × 38,074.70
  4. Step 4: Simplify right side
    116,981.66x = 6,681,616,381.13
  5. Step 5: Solve for x
    x = 6,681,616,381.13/116,981.66
  6. Step 6: Final answer
    x = 57,116.79

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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.