Home / 73,701.36-101,669.76-49,836.60

Finding the Fourth Proportional to 73,701.36, 101,669.76 and 49,836.60

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Solution

The fourth proportional to 73,701.36, 101,669.76 and 49,836.60 is: 68,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,701.36 : 101,669.76 = 49,836.60 : x
  2. Step 2: Convert to fraction form
    73,701.36/101,669.76 = 49,836.60/x
  3. Step 3: Cross multiply
    73,701.36x = 101,669.76 × 49,836.60
  4. Step 4: Simplify right side
    73,701.36x = 5,066,875,161.22
  5. Step 5: Solve for x
    x = 5,066,875,161.22/73,701.36
  6. Step 6: Final answer
    x = 68,748.73

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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.