Home / 74,350.41-102,600.78-40,358.17

Finding the Fourth Proportional to 74,350.41, 102,600.78 and 40,358.17

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Solution

The fourth proportional to 74,350.41, 102,600.78 and 40,358.17 is: 55,692.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.41 : 102,600.78 = 40,358.17 : x
  2. Step 2: Convert to fraction form
    74,350.41/102,600.78 = 40,358.17/x
  3. Step 3: Cross multiply
    74,350.41x = 102,600.78 × 40,358.17
  4. Step 4: Simplify right side
    74,350.41x = 4,140,779,208.37
  5. Step 5: Solve for x
    x = 4,140,779,208.37/74,350.41
  6. Step 6: Final answer
    x = 55,692.76

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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.