Home / 66,508.74-91,779.21-36,293.31

Finding the Fourth Proportional to 66,508.74, 91,779.21 and 36,293.31

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Solution

The fourth proportional to 66,508.74, 91,779.21 and 36,293.31 is: 50,083.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508.74 : 91,779.21 = 36,293.31 : x
  2. Step 2: Convert to fraction form
    66,508.74/91,779.21 = 36,293.31/x
  3. Step 3: Cross multiply
    66,508.74x = 91,779.21 × 36,293.31
  4. Step 4: Simplify right side
    66,508.74x = 3,330,971,320.09
  5. Step 5: Solve for x
    x = 3,330,971,320.09/66,508.74
  6. Step 6: Final answer
    x = 50,083.21

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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.