Home / 80,779.30-121,173.51-24,621.25

Finding the Fourth Proportional to 80,779.30, 121,173.51 and 24,621.25

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Solution

The fourth proportional to 80,779.30, 121,173.51 and 24,621.25 is: 36,933.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,779.30 : 121,173.51 = 24,621.25 : x
  2. Step 2: Convert to fraction form
    80,779.30/121,173.51 = 24,621.25/x
  3. Step 3: Cross multiply
    80,779.30x = 121,173.51 × 24,621.25
  4. Step 4: Simplify right side
    80,779.30x = 2,983,443,283.09
  5. Step 5: Solve for x
    x = 2,983,443,283.09/80,779.30
  6. Step 6: Final answer
    x = 36,933.26

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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.