Home / 103,691.06-155,456.67-33,551.54

Finding the Fourth Proportional to 103,691.06, 155,456.67 and 33,551.54

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Solution

The fourth proportional to 103,691.06, 155,456.67 and 33,551.54 is: 50,301.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,691.06 : 155,456.67 = 33,551.54 : x
  2. Step 2: Convert to fraction form
    103,691.06/155,456.67 = 33,551.54/x
  3. Step 3: Cross multiply
    103,691.06x = 155,456.67 × 33,551.54
  4. Step 4: Simplify right side
    103,691.06x = 5,215,810,681.77
  5. Step 5: Solve for x
    x = 5,215,810,681.77/103,691.06
  6. Step 6: Final answer
    x = 50,301.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.