Home / 69,835.95-96,375.80-39,622.55

Finding the Fourth Proportional to 69,835.95, 96,375.80 and 39,622.55

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Solution

The fourth proportional to 69,835.95, 96,375.80 and 39,622.55 is: 54,680.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,835.95 : 96,375.80 = 39,622.55 : x
  2. Step 2: Convert to fraction form
    69,835.95/96,375.80 = 39,622.55/x
  3. Step 3: Cross multiply
    69,835.95x = 96,375.80 × 39,622.55
  4. Step 4: Simplify right side
    69,835.95x = 3,818,654,274.30
  5. Step 5: Solve for x
    x = 3,818,654,274.30/69,835.95
  6. Step 6: Final answer
    x = 54,680.35

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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.