Home / 84,184.64-126,156.64-61,822.56

Finding the Fourth Proportional to 84,184.64, 126,156.64 and 61,822.56

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Solution

The fourth proportional to 84,184.64, 126,156.64 and 61,822.56 is: 92,645.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,184.64 : 126,156.64 = 61,822.56 : x
  2. Step 2: Convert to fraction form
    84,184.64/126,156.64 = 61,822.56/x
  3. Step 3: Cross multiply
    84,184.64x = 126,156.64 × 61,822.56
  4. Step 4: Simplify right side
    84,184.64x = 7,799,326,445.80
  5. Step 5: Solve for x
    x = 7,799,326,445.80/84,184.64
  6. Step 6: Final answer
    x = 92,645.48

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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.