Home / 97,269.12-134,241.72-57,016.71

Finding the Fourth Proportional to 97,269.12, 134,241.72 and 57,016.71

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Solution

The fourth proportional to 97,269.12, 134,241.72 and 57,016.71 is: 78,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,269.12 : 134,241.72 = 57,016.71 : x
  2. Step 2: Convert to fraction form
    97,269.12/134,241.72 = 57,016.71/x
  3. Step 3: Cross multiply
    97,269.12x = 134,241.72 × 57,016.71
  4. Step 4: Simplify right side
    97,269.12x = 7,654,021,219.14
  5. Step 5: Solve for x
    x = 7,654,021,219.14/97,269.12
  6. Step 6: Final answer
    x = 78,689.12

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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.