Home / 83,459.33-115,111.05-57,965.73

Finding the Fourth Proportional to 83,459.33, 115,111.05 and 57,965.73

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Solution

The fourth proportional to 83,459.33, 115,111.05 and 57,965.73 is: 79,949.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,459.33 : 115,111.05 = 57,965.73 : x
  2. Step 2: Convert to fraction form
    83,459.33/115,111.05 = 57,965.73/x
  3. Step 3: Cross multiply
    83,459.33x = 115,111.05 × 57,965.73
  4. Step 4: Simplify right side
    83,459.33x = 6,672,496,044.32
  5. Step 5: Solve for x
    x = 6,672,496,044.32/83,459.33
  6. Step 6: Final answer
    x = 79,949.07

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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.