Home / 83,327.12-114,991.80-45,601.28

Finding the Fourth Proportional to 83,327.12, 114,991.80 and 45,601.28

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Solution

The fourth proportional to 83,327.12, 114,991.80 and 45,601.28 is: 62,929.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,327.12 : 114,991.80 = 45,601.28 : x
  2. Step 2: Convert to fraction form
    83,327.12/114,991.80 = 45,601.28/x
  3. Step 3: Cross multiply
    83,327.12x = 114,991.80 × 45,601.28
  4. Step 4: Simplify right side
    83,327.12x = 5,243,773,269.50
  5. Step 5: Solve for x
    x = 5,243,773,269.50/83,327.12
  6. Step 6: Final answer
    x = 62,929.97

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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.