Home / 98,779.97-136,315.32-53,456.96

Finding the Fourth Proportional to 98,779.97, 136,315.32 and 53,456.96

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Solution

The fourth proportional to 98,779.97, 136,315.32 and 53,456.96 is: 73,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779.97 : 136,315.32 = 53,456.96 : x
  2. Step 2: Convert to fraction form
    98,779.97/136,315.32 = 53,456.96/x
  3. Step 3: Cross multiply
    98,779.97x = 136,315.32 × 53,456.96
  4. Step 4: Simplify right side
    98,779.97x = 7,287,002,608.63
  5. Step 5: Solve for x
    x = 7,287,002,608.63/98,779.97
  6. Step 6: Final answer
    x = 73,770.04

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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.