Home / 83,895.26-115,777.89-45,657.28

Finding the Fourth Proportional to 83,895.26, 115,777.89 and 45,657.28

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Solution

The fourth proportional to 83,895.26, 115,777.89 and 45,657.28 is: 63,008.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,895.26 : 115,777.89 = 45,657.28 : x
  2. Step 2: Convert to fraction form
    83,895.26/115,777.89 = 45,657.28/x
  3. Step 3: Cross multiply
    83,895.26x = 115,777.89 × 45,657.28
  4. Step 4: Simplify right side
    83,895.26x = 5,286,103,252.09
  5. Step 5: Solve for x
    x = 5,286,103,252.09/83,895.26
  6. Step 6: Final answer
    x = 63,008.36

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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.