Home / 97,207.10-145,810.65-57,743.90

Finding the Fourth Proportional to 97,207.10, 145,810.65 and 57,743.90

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Solution

The fourth proportional to 97,207.10, 145,810.65 and 57,743.90 is: 86,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,207.10 : 145,810.65 = 57,743.90 : x
  2. Step 2: Convert to fraction form
    97,207.10/145,810.65 = 57,743.90/x
  3. Step 3: Cross multiply
    97,207.10x = 145,810.65 × 57,743.90
  4. Step 4: Simplify right side
    97,207.10x = 8,419,675,592.54
  5. Step 5: Solve for x
    x = 8,419,675,592.54/97,207.10
  6. Step 6: Final answer
    x = 86,615.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.