Home / 84,158.64-126,117.68-61,796.57

Finding the Fourth Proportional to 84,158.64, 126,117.68 and 61,796.57

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Solution

The fourth proportional to 84,158.64, 126,117.68 and 61,796.57 is: 92,606.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,158.64 : 126,117.68 = 61,796.57 : x
  2. Step 2: Convert to fraction form
    84,158.64/126,117.68 = 61,796.57/x
  3. Step 3: Cross multiply
    84,158.64x = 126,117.68 × 61,796.57
  4. Step 4: Simplify right side
    84,158.64x = 7,793,639,100.79
  5. Step 5: Solve for x
    x = 7,793,639,100.79/84,158.64
  6. Step 6: Final answer
    x = 92,606.52

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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.