Home / 84,502.26-126,877.98-47,135.34

Finding the Fourth Proportional to 84,502.26, 126,877.98 and 47,135.34

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Solution

The fourth proportional to 84,502.26, 126,877.98 and 47,135.34 is: 70,772.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,502.26 : 126,877.98 = 47,135.34 : x
  2. Step 2: Convert to fraction form
    84,502.26/126,877.98 = 47,135.34/x
  3. Step 3: Cross multiply
    84,502.26x = 126,877.98 × 47,135.34
  4. Step 4: Simplify right side
    84,502.26x = 5,980,436,725.81
  5. Step 5: Solve for x
    x = 5,980,436,725.81/84,502.26
  6. Step 6: Final answer
    x = 70,772.51

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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.