Home / 71,378.59-98,506.44-40,760.72

Finding the Fourth Proportional to 71,378.59, 98,506.44 and 40,760.72

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Solution

The fourth proportional to 71,378.59, 98,506.44 and 40,760.72 is: 56,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,378.59 : 98,506.44 = 40,760.72 : x
  2. Step 2: Convert to fraction form
    71,378.59/98,506.44 = 40,760.72/x
  3. Step 3: Cross multiply
    71,378.59x = 98,506.44 × 40,760.72
  4. Step 4: Simplify right side
    71,378.59x = 4,015,193,665.30
  5. Step 5: Solve for x
    x = 4,015,193,665.30/71,378.59
  6. Step 6: Final answer
    x = 56,252.08

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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.