Home / 74,350.16-102,600.44-40,357.91

Finding the Fourth Proportional to 74,350.16, 102,600.44 and 40,357.91

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Solution

The fourth proportional to 74,350.16, 102,600.44 and 40,357.91 is: 55,692.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.16 : 102,600.44 = 40,357.91 : x
  2. Step 2: Convert to fraction form
    74,350.16/102,600.44 = 40,357.91/x
  3. Step 3: Cross multiply
    74,350.16x = 102,600.44 × 40,357.91
  4. Step 4: Simplify right side
    74,350.16x = 4,140,739,378.19
  5. Step 5: Solve for x
    x = 4,140,739,378.19/74,350.16
  6. Step 6: Final answer
    x = 55,692.41

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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.