Home / 97,103.12-134,004.84-54,663.20

Finding the Fourth Proportional to 97,103.12, 134,004.84 and 54,663.20

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Solution

The fourth proportional to 97,103.12, 134,004.84 and 54,663.20 is: 75,436.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,103.12 : 134,004.84 = 54,663.20 : x
  2. Step 2: Convert to fraction form
    97,103.12/134,004.84 = 54,663.20/x
  3. Step 3: Cross multiply
    97,103.12x = 134,004.84 × 54,663.20
  4. Step 4: Simplify right side
    97,103.12x = 7,325,133,369.89
  5. Step 5: Solve for x
    x = 7,325,133,369.89/97,103.12
  6. Step 6: Final answer
    x = 75,436.64

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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.