Home / 83,746.88-115,576.16-51,936.96

Finding the Fourth Proportional to 83,746.88, 115,576.16 and 51,936.96

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Solution

The fourth proportional to 83,746.88, 115,576.16 and 51,936.96 is: 71,676.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.88 : 115,576.16 = 51,936.96 : x
  2. Step 2: Convert to fraction form
    83,746.88/115,576.16 = 51,936.96/x
  3. Step 3: Cross multiply
    83,746.88x = 115,576.16 × 51,936.96
  4. Step 4: Simplify right side
    83,746.88x = 6,002,674,398.87
  5. Step 5: Solve for x
    x = 6,002,674,398.87/83,746.88
  6. Step 6: Final answer
    x = 71,676.39

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1.5x scale

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.