Home / 75,013.80-103,519.32-41,021.76

Finding the Fourth Proportional to 75,013.80, 103,519.32 and 41,021.76

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Solution

The fourth proportional to 75,013.80, 103,519.32 and 41,021.76 is: 56,610.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,013.80 : 103,519.32 = 41,021.76 : x
  2. Step 2: Convert to fraction form
    75,013.80/103,519.32 = 41,021.76/x
  3. Step 3: Cross multiply
    75,013.80x = 103,519.32 × 41,021.76
  4. Step 4: Simplify right side
    75,013.80x = 4,246,544,700.40
  5. Step 5: Solve for x
    x = 4,246,544,700.40/75,013.80
  6. Step 6: Final answer
    x = 56,610.18

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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.