Home / 117,058.38-175,615.55-38,172.70

Finding the Fourth Proportional to 117,058.38, 175,615.55 and 38,172.70

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Solution

The fourth proportional to 117,058.38, 175,615.55 and 38,172.70 is: 57,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,058.38 : 175,615.55 = 38,172.70 : x
  2. Step 2: Convert to fraction form
    117,058.38/175,615.55 = 38,172.70/x
  3. Step 3: Cross multiply
    117,058.38x = 175,615.55 × 38,172.70
  4. Step 4: Simplify right side
    117,058.38x = 6,703,719,705.49
  5. Step 5: Solve for x
    x = 6,703,719,705.49/117,058.38
  6. Step 6: Final answer
    x = 57,268.17

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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.