Home / 109,603.24-164,412.28-38,517.23

Finding the Fourth Proportional to 109,603.24, 164,412.28 and 38,517.23

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Solution

The fourth proportional to 109,603.24, 164,412.28 and 38,517.23 is: 57,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,603.24 : 164,412.28 = 38,517.23 : x
  2. Step 2: Convert to fraction form
    109,603.24/164,412.28 = 38,517.23/x
  3. Step 3: Cross multiply
    109,603.24x = 164,412.28 × 38,517.23
  4. Step 4: Simplify right side
    109,603.24x = 6,332,705,918.32
  5. Step 5: Solve for x
    x = 6,332,705,918.32/109,603.24
  6. Step 6: Final answer
    x = 57,778.46

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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.