Home / 97,649.19-134,770.25-61,842.52

Finding the Fourth Proportional to 97,649.19, 134,770.25 and 61,842.52

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Solution

The fourth proportional to 97,649.19, 134,770.25 and 61,842.52 is: 85,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,649.19 : 134,770.25 = 61,842.52 : x
  2. Step 2: Convert to fraction form
    97,649.19/134,770.25 = 61,842.52/x
  3. Step 3: Cross multiply
    97,649.19x = 134,770.25 × 61,842.52
  4. Step 4: Simplify right side
    97,649.19x = 8,334,531,881.03
  5. Step 5: Solve for x
    x = 8,334,531,881.03/97,649.19
  6. Step 6: Final answer
    x = 85,351.78

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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.