Home / 54,151.17-74,698.61-31,487.67

Finding the Fourth Proportional to 54,151.17, 74,698.61 and 31,487.67

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Solution

The fourth proportional to 54,151.17, 74,698.61 and 31,487.67 is: 43,435.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,151.17 : 74,698.61 = 31,487.67 : x
  2. Step 2: Convert to fraction form
    54,151.17/74,698.61 = 31,487.67/x
  3. Step 3: Cross multiply
    54,151.17x = 74,698.61 × 31,487.67
  4. Step 4: Simplify right side
    54,151.17x = 2,352,085,023.70
  5. Step 5: Solve for x
    x = 2,352,085,023.70/54,151.17
  6. Step 6: Final answer
    x = 43,435.53

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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.