Home / 73,143.36-100,937.84-39,609.36

Finding the Fourth Proportional to 73,143.36, 100,937.84 and 39,609.36

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Solution

The fourth proportional to 73,143.36, 100,937.84 and 39,609.36 is: 54,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.36 : 100,937.84 = 39,609.36 : x
  2. Step 2: Convert to fraction form
    73,143.36/100,937.84 = 39,609.36/x
  3. Step 3: Cross multiply
    73,143.36x = 100,937.84 × 39,609.36
  4. Step 4: Simplify right side
    73,143.36x = 3,998,083,242.18
  5. Step 5: Solve for x
    x = 3,998,083,242.18/73,143.36
  6. Step 6: Final answer
    x = 54,660.92

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1.5x scale

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.