Home / 97,627.78-146,385.63-38,431.16

Finding the Fourth Proportional to 97,627.78, 146,385.63 and 38,431.16

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Solution

The fourth proportional to 97,627.78, 146,385.63 and 38,431.16 is: 57,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,627.78 : 146,385.63 = 38,431.16 : x
  2. Step 2: Convert to fraction form
    97,627.78/146,385.63 = 38,431.16/x
  3. Step 3: Cross multiply
    97,627.78x = 146,385.63 × 38,431.16
  4. Step 4: Simplify right side
    97,627.78x = 5,625,769,385.25
  5. Step 5: Solve for x
    x = 5,625,769,385.25/97,627.78
  6. Step 6: Final answer
    x = 57,624.68

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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.