Home / 69,187.42-103,680.14-30,672.44

Finding the Fourth Proportional to 69,187.42, 103,680.14 and 30,672.44

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Solution

The fourth proportional to 69,187.42, 103,680.14 and 30,672.44 is: 45,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,187.42 : 103,680.14 = 30,672.44 : x
  2. Step 2: Convert to fraction form
    69,187.42/103,680.14 = 30,672.44/x
  3. Step 3: Cross multiply
    69,187.42x = 103,680.14 × 30,672.44
  4. Step 4: Simplify right side
    69,187.42x = 3,180,122,873.34
  5. Step 5: Solve for x
    x = 3,180,122,873.34/69,187.42
  6. Step 6: Final answer
    x = 45,963.89

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1.5x scale

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.