Home / 73,470.43-101,390.40-41,638.65

Finding the Fourth Proportional to 73,470.43, 101,390.40 and 41,638.65

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Solution

The fourth proportional to 73,470.43, 101,390.40 and 41,638.65 is: 57,462.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,470.43 : 101,390.40 = 41,638.65 : x
  2. Step 2: Convert to fraction form
    73,470.43/101,390.40 = 41,638.65/x
  3. Step 3: Cross multiply
    73,470.43x = 101,390.40 × 41,638.65
  4. Step 4: Simplify right side
    73,470.43x = 4,221,759,378.96
  5. Step 5: Solve for x
    x = 4,221,759,378.96/73,470.43
  6. Step 6: Final answer
    x = 57,462.02

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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.