Home / 83,458.83-115,110.36-57,965.23

Finding the Fourth Proportional to 83,458.83, 115,110.36 and 57,965.23

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Solution

The fourth proportional to 83,458.83, 115,110.36 and 57,965.23 is: 79,948.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,458.83 : 115,110.36 = 57,965.23 : x
  2. Step 2: Convert to fraction form
    83,458.83/115,110.36 = 57,965.23/x
  3. Step 3: Cross multiply
    83,458.83x = 115,110.36 × 57,965.23
  4. Step 4: Simplify right side
    83,458.83x = 6,672,398,205.01
  5. Step 5: Solve for x
    x = 6,672,398,205.01/83,458.83
  6. Step 6: Final answer
    x = 79,948.38

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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.