Home / 97,801.44-134,961.92-55,362.40

Finding the Fourth Proportional to 97,801.44, 134,961.92 and 55,362.40

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Solution

The fourth proportional to 97,801.44, 134,961.92 and 55,362.40 is: 76,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,801.44 : 134,961.92 = 55,362.40 : x
  2. Step 2: Convert to fraction form
    97,801.44/134,961.92 = 55,362.40/x
  3. Step 3: Cross multiply
    97,801.44x = 134,961.92 × 55,362.40
  4. Step 4: Simplify right side
    97,801.44x = 7,471,815,799.81
  5. Step 5: Solve for x
    x = 7,471,815,799.81/97,801.44
  6. Step 6: Final answer
    x = 76,397.81

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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.