Home / 97,146.54-134,081.12-54,705.17

Finding the Fourth Proportional to 97,146.54, 134,081.12 and 54,705.17

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Solution

The fourth proportional to 97,146.54, 134,081.12 and 54,705.17 is: 75,503.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,146.54 : 134,081.12 = 54,705.17 : x
  2. Step 2: Convert to fraction form
    97,146.54/134,081.12 = 54,705.17/x
  3. Step 3: Cross multiply
    97,146.54x = 134,081.12 × 54,705.17
  4. Step 4: Simplify right side
    97,146.54x = 7,334,930,935.36
  5. Step 5: Solve for x
    x = 7,334,930,935.36/97,146.54
  6. Step 6: Final answer
    x = 75,503.78

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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.