Home / 74,350.50-102,604.41-40,817.22

Finding the Fourth Proportional to 74,350.50, 102,604.41 and 40,817.22

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Solution

The fourth proportional to 74,350.50, 102,604.41 and 40,817.22 is: 56,328.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,350.50 : 102,604.41 = 40,817.22 : x
  2. Step 2: Convert to fraction form
    74,350.50/102,604.41 = 40,817.22/x
  3. Step 3: Cross multiply
    74,350.50x = 102,604.41 × 40,817.22
  4. Step 4: Simplify right side
    74,350.50x = 4,188,026,775.94
  5. Step 5: Solve for x
    x = 4,188,026,775.94/74,350.50
  6. Step 6: Final answer
    x = 56,328.16

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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.