Home / 71,779.86-98,953.51-50,493.06

Finding the Fourth Proportional to 71,779.86, 98,953.51 and 50,493.06

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Solution

The fourth proportional to 71,779.86, 98,953.51 and 50,493.06 is: 69,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,779.86 : 98,953.51 = 50,493.06 : x
  2. Step 2: Convert to fraction form
    71,779.86/98,953.51 = 50,493.06/x
  3. Step 3: Cross multiply
    71,779.86x = 98,953.51 × 50,493.06
  4. Step 4: Simplify right side
    71,779.86x = 4,996,465,517.64
  5. Step 5: Solve for x
    x = 4,996,465,517.64/71,779.86
  6. Step 6: Final answer
    x = 69,608.18

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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.