Home / 55,633.11-76,773.85-30,139.36

Finding the Fourth Proportional to 55,633.11, 76,773.85 and 30,139.36

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Solution

The fourth proportional to 55,633.11, 76,773.85 and 30,139.36 is: 41,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,633.11 : 76,773.85 = 30,139.36 : x
  2. Step 2: Convert to fraction form
    55,633.11/76,773.85 = 30,139.36/x
  3. Step 3: Cross multiply
    55,633.11x = 76,773.85 × 30,139.36
  4. Step 4: Simplify right side
    55,633.11x = 2,313,914,436.45
  5. Step 5: Solve for x
    x = 2,313,914,436.45/55,633.11
  6. Step 6: Final answer
    x = 41,592.40

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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.