Home / 75,066.21-103,600.76-49,246.43

Finding the Fourth Proportional to 75,066.21, 103,600.76 and 49,246.43

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Solution

The fourth proportional to 75,066.21, 103,600.76 and 49,246.43 is: 67,966.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,066.21 : 103,600.76 = 49,246.43 : x
  2. Step 2: Convert to fraction form
    75,066.21/103,600.76 = 49,246.43/x
  3. Step 3: Cross multiply
    75,066.21x = 103,600.76 × 49,246.43
  4. Step 4: Simplify right side
    75,066.21x = 5,101,966,811.05
  5. Step 5: Solve for x
    x = 5,101,966,811.05/75,066.21
  6. Step 6: Final answer
    x = 67,966.22

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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.