Home / 97,640.80-146,331.60-50,881.12

Finding the Fourth Proportional to 97,640.80, 146,331.60 and 50,881.12

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Solution

The fourth proportional to 97,640.80, 146,331.60 and 50,881.12 is: 76,254.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,640.80 : 146,331.60 = 50,881.12 : x
  2. Step 2: Convert to fraction form
    97,640.80/146,331.60 = 50,881.12/x
  3. Step 3: Cross multiply
    97,640.80x = 146,331.60 × 50,881.12
  4. Step 4: Simplify right side
    97,640.80x = 7,445,515,699.39
  5. Step 5: Solve for x
    x = 7,445,515,699.39/97,640.80
  6. Step 6: Final answer
    x = 76,254.14

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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.