Home / 66,910.24-92,309.79-38,610.46

Finding the Fourth Proportional to 66,910.24, 92,309.79 and 38,610.46

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Solution

The fourth proportional to 66,910.24, 92,309.79 and 38,610.46 is: 53,267.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,910.24 : 92,309.79 = 38,610.46 : x
  2. Step 2: Convert to fraction form
    66,910.24/92,309.79 = 38,610.46/x
  3. Step 3: Cross multiply
    66,910.24x = 92,309.79 × 38,610.46
  4. Step 4: Simplify right side
    66,910.24x = 3,564,123,454.40
  5. Step 5: Solve for x
    x = 3,564,123,454.40/66,910.24
  6. Step 6: Final answer
    x = 53,267.23

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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.