Home / 75,823.76-113,502.36-49,471.76

Finding the Fourth Proportional to 75,823.76, 113,502.36 and 49,471.76

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Solution

The fourth proportional to 75,823.76, 113,502.36 and 49,471.76 is: 74,055.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,823.76 : 113,502.36 = 49,471.76 : x
  2. Step 2: Convert to fraction form
    75,823.76/113,502.36 = 49,471.76/x
  3. Step 3: Cross multiply
    75,823.76x = 113,502.36 × 49,471.76
  4. Step 4: Simplify right side
    75,823.76x = 5,615,161,513.35
  5. Step 5: Solve for x
    x = 5,615,161,513.35/75,823.76
  6. Step 6: Final answer
    x = 74,055.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.