Home / 74,538.20-111,515.70-48,294.20

Finding the Fourth Proportional to 74,538.20, 111,515.70 and 48,294.20

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Solution

The fourth proportional to 74,538.20, 111,515.70 and 48,294.20 is: 72,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,538.20 : 111,515.70 = 48,294.20 : x
  2. Step 2: Convert to fraction form
    74,538.20/111,515.70 = 48,294.20/x
  3. Step 3: Cross multiply
    74,538.20x = 111,515.70 × 48,294.20
  4. Step 4: Simplify right side
    74,538.20x = 5,385,561,518.94
  5. Step 5: Solve for x
    x = 5,385,561,518.94/74,538.20
  6. Step 6: Final answer
    x = 72,252.37

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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.