Home / 75,470.76-104,158.92-43,217.40

Finding the Fourth Proportional to 75,470.76, 104,158.92 and 43,217.40

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Solution

The fourth proportional to 75,470.76, 104,158.92 and 43,217.40 is: 59,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,470.76 : 104,158.92 = 43,217.40 : x
  2. Step 2: Convert to fraction form
    75,470.76/104,158.92 = 43,217.40/x
  3. Step 3: Cross multiply
    75,470.76x = 104,158.92 × 43,217.40
  4. Step 4: Simplify right side
    75,470.76x = 4,501,477,709.21
  5. Step 5: Solve for x
    x = 4,501,477,709.21/75,470.76
  6. Step 6: Final answer
    x = 59,645.32

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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.