Home / 70,247.12-96,941.13-39,620.62

Finding the Fourth Proportional to 70,247.12, 96,941.13 and 39,620.62

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Solution

The fourth proportional to 70,247.12, 96,941.13 and 39,620.62 is: 54,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247.12 : 96,941.13 = 39,620.62 : x
  2. Step 2: Convert to fraction form
    70,247.12/96,941.13 = 39,620.62/x
  3. Step 3: Cross multiply
    70,247.12x = 96,941.13 × 39,620.62
  4. Step 4: Simplify right side
    70,247.12x = 3,840,867,283.17
  5. Step 5: Solve for x
    x = 3,840,867,283.17/70,247.12
  6. Step 6: Final answer
    x = 54,676.51

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1.5x scale

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.