Home / 73,143.13-100,937.51-39,609.13

Finding the Fourth Proportional to 73,143.13, 100,937.51 and 39,609.13

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Solution

The fourth proportional to 73,143.13, 100,937.51 and 39,609.13 is: 54,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,143.13 : 100,937.51 = 39,609.13 : x
  2. Step 2: Convert to fraction form
    73,143.13/100,937.51 = 39,609.13/x
  3. Step 3: Cross multiply
    73,143.13x = 100,937.51 × 39,609.13
  4. Step 4: Simplify right side
    73,143.13x = 3,998,046,955.47
  5. Step 5: Solve for x
    x = 3,998,046,955.47/73,143.13
  6. Step 6: Final answer
    x = 54,660.59

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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.