Home / 74,600.78-102,950.39-40,610.24

Finding the Fourth Proportional to 74,600.78, 102,950.39 and 40,610.24

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Solution

The fourth proportional to 74,600.78, 102,950.39 and 40,610.24 is: 56,042.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,600.78 : 102,950.39 = 40,610.24 : x
  2. Step 2: Convert to fraction form
    74,600.78/102,950.39 = 40,610.24/x
  3. Step 3: Cross multiply
    74,600.78x = 102,950.39 × 40,610.24
  4. Step 4: Simplify right side
    74,600.78x = 4,180,840,045.99
  5. Step 5: Solve for x
    x = 4,180,840,045.99/74,600.78
  6. Step 6: Final answer
    x = 56,042.85

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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.