Home / 115,204.74-158,985.92-67,453.62

Finding the Fourth Proportional to 115,204.74, 158,985.92 and 67,453.62

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Solution

The fourth proportional to 115,204.74, 158,985.92 and 67,453.62 is: 93,087.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,204.74 : 158,985.92 = 67,453.62 : x
  2. Step 2: Convert to fraction form
    115,204.74/158,985.92 = 67,453.62/x
  3. Step 3: Cross multiply
    115,204.74x = 158,985.92 × 67,453.62
  4. Step 4: Simplify right side
    115,204.74x = 10,724,175,495.76
  5. Step 5: Solve for x
    x = 10,724,175,495.76/115,204.74
  6. Step 6: Final answer
    x = 93,087.97

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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.