Home / 73,899.75-101,981.67-40,365.75

Finding the Fourth Proportional to 73,899.75, 101,981.67 and 40,365.75

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Solution

The fourth proportional to 73,899.75, 101,981.67 and 40,365.75 is: 55,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,899.75 : 101,981.67 = 40,365.75 : x
  2. Step 2: Convert to fraction form
    73,899.75/101,981.67 = 40,365.75/x
  3. Step 3: Cross multiply
    73,899.75x = 101,981.67 × 40,365.75
  4. Step 4: Simplify right side
    73,899.75x = 4,116,566,595.80
  5. Step 5: Solve for x
    x = 4,116,566,595.80/73,899.75
  6. Step 6: Final answer
    x = 55,704.74

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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.