Home / 70,929.11-97,891.04-40,723.90

Finding the Fourth Proportional to 70,929.11, 97,891.04 and 40,723.90

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Solution

The fourth proportional to 70,929.11, 97,891.04 and 40,723.90 is: 56,204.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,929.11 : 97,891.04 = 40,723.90 : x
  2. Step 2: Convert to fraction form
    70,929.11/97,891.04 = 40,723.90/x
  3. Step 3: Cross multiply
    70,929.11x = 97,891.04 × 40,723.90
  4. Step 4: Simplify right side
    70,929.11x = 3,986,504,923.86
  5. Step 5: Solve for x
    x = 3,986,504,923.86/70,929.11
  6. Step 6: Final answer
    x = 56,204.07

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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.