Home / 97,631.65-134,729.92-55,189.27

Finding the Fourth Proportional to 97,631.65, 134,729.92 and 55,189.27

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Solution

The fourth proportional to 97,631.65, 134,729.92 and 55,189.27 is: 76,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,631.65 : 134,729.92 = 55,189.27 : x
  2. Step 2: Convert to fraction form
    97,631.65/134,729.92 = 55,189.27/x
  3. Step 3: Cross multiply
    97,631.65x = 134,729.92 × 55,189.27
  4. Step 4: Simplify right side
    97,631.65x = 7,435,645,931.96
  5. Step 5: Solve for x
    x = 7,435,645,931.96/97,631.65
  6. Step 6: Final answer
    x = 76,160.20

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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.