Home / 73,743.28-101,685.40-49,828.48

Finding the Fourth Proportional to 73,743.28, 101,685.40 and 49,828.48

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Solution

The fourth proportional to 73,743.28, 101,685.40 and 49,828.48 is: 68,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,743.28 : 101,685.40 = 49,828.48 : x
  2. Step 2: Convert to fraction form
    73,743.28/101,685.40 = 49,828.48/x
  3. Step 3: Cross multiply
    73,743.28x = 101,685.40 × 49,828.48
  4. Step 4: Simplify right side
    73,743.28x = 5,066,828,920.19
  5. Step 5: Solve for x
    x = 5,066,828,920.19/73,743.28
  6. Step 6: Final answer
    x = 68,709.03

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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.