Home / 63,123.96-87,074.32-40,454.88

Finding the Fourth Proportional to 63,123.96, 87,074.32 and 40,454.88

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Solution

The fourth proportional to 63,123.96, 87,074.32 and 40,454.88 is: 55,804.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,123.96 : 87,074.32 = 40,454.88 : x
  2. Step 2: Convert to fraction form
    63,123.96/87,074.32 = 40,454.88/x
  3. Step 3: Cross multiply
    63,123.96x = 87,074.32 × 40,454.88
  4. Step 4: Simplify right side
    63,123.96x = 3,522,581,166.68
  5. Step 5: Solve for x
    x = 3,522,581,166.68/63,123.96
  6. Step 6: Final answer
    x = 55,804.19

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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.