Home / 91,862.96-126,772.44-51,026

Finding the Fourth Proportional to 91,862.96, 126,772.44 and 51,026

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Solution

The fourth proportional to 91,862.96, 126,772.44 and 51,026 is: 70,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.96 : 126,772.44 = 51,026 : x
  2. Step 2: Convert to fraction form
    91,862.96/126,772.44 = 51,026/x
  3. Step 3: Cross multiply
    91,862.96x = 126,772.44 × 51,026
  4. Step 4: Simplify right side
    91,862.96x = 6,468,690,523.44
  5. Step 5: Solve for x
    x = 6,468,690,523.44/91,862.96
  6. Step 6: Final answer
    x = 70,416.74

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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.