Home / 80,567.93-120,886.11-43,118.30

Finding the Fourth Proportional to 80,567.93, 120,886.11 and 43,118.30

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Solution

The fourth proportional to 80,567.93, 120,886.11 and 43,118.30 is: 64,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,567.93 : 120,886.11 = 43,118.30 : x
  2. Step 2: Convert to fraction form
    80,567.93/120,886.11 = 43,118.30/x
  3. Step 3: Cross multiply
    80,567.93x = 120,886.11 × 43,118.30
  4. Step 4: Simplify right side
    80,567.93x = 5,212,403,859.03
  5. Step 5: Solve for x
    x = 5,212,403,859.03/80,567.93
  6. Step 6: Final answer
    x = 64,695.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.