Home / 74,033.50-102,166.22-40,041.98

Finding the Fourth Proportional to 74,033.50, 102,166.22 and 40,041.98

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Solution

The fourth proportional to 74,033.50, 102,166.22 and 40,041.98 is: 55,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,033.50 : 102,166.22 = 40,041.98 : x
  2. Step 2: Convert to fraction form
    74,033.50/102,166.22 = 40,041.98/x
  3. Step 3: Cross multiply
    74,033.50x = 102,166.22 × 40,041.98
  4. Step 4: Simplify right side
    74,033.50x = 4,090,937,737.92
  5. Step 5: Solve for x
    x = 4,090,937,737.92/74,033.50
  6. Step 6: Final answer
    x = 55,257.93

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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.