Home / 66,042.30-98,933.85-39,669.18

Finding the Fourth Proportional to 66,042.30, 98,933.85 and 39,669.18

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Solution

The fourth proportional to 66,042.30, 98,933.85 and 39,669.18 is: 59,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,042.30 : 98,933.85 = 39,669.18 : x
  2. Step 2: Convert to fraction form
    66,042.30/98,933.85 = 39,669.18/x
  3. Step 3: Cross multiply
    66,042.30x = 98,933.85 × 39,669.18
  4. Step 4: Simplify right side
    66,042.30x = 3,924,624,703.74
  5. Step 5: Solve for x
    x = 3,924,624,703.74/66,042.30
  6. Step 6: Final answer
    x = 59,425.92

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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.