Home / 83,971.77-115,872.48-51,701.27

Finding the Fourth Proportional to 83,971.77, 115,872.48 and 51,701.27

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Solution

The fourth proportional to 83,971.77, 115,872.48 and 51,701.27 is: 71,342.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,971.77 : 115,872.48 = 51,701.27 : x
  2. Step 2: Convert to fraction form
    83,971.77/115,872.48 = 51,701.27/x
  3. Step 3: Cross multiply
    83,971.77x = 115,872.48 × 51,701.27
  4. Step 4: Simplify right side
    83,971.77x = 5,990,754,663.73
  5. Step 5: Solve for x
    x = 5,990,754,663.73/83,971.77
  6. Step 6: Final answer
    x = 71,342.48

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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.