Home / 103,679.81-155,545.27-33,559.13

Finding the Fourth Proportional to 103,679.81, 155,545.27 and 33,559.13

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Solution

The fourth proportional to 103,679.81, 155,545.27 and 33,559.13 is: 50,346.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,679.81 : 155,545.27 = 33,559.13 : x
  2. Step 2: Convert to fraction form
    103,679.81/155,545.27 = 33,559.13/x
  3. Step 3: Cross multiply
    103,679.81x = 155,545.27 × 33,559.13
  4. Step 4: Simplify right side
    103,679.81x = 5,219,963,936.82
  5. Step 5: Solve for x
    x = 5,219,963,936.82/103,679.81
  6. Step 6: Final answer
    x = 50,346.97

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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.