Home / 71,804.18-99,074.78-41,578.63

Finding the Fourth Proportional to 71,804.18, 99,074.78 and 41,578.63

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Solution

The fourth proportional to 71,804.18, 99,074.78 and 41,578.63 is: 57,369.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804.18 : 99,074.78 = 41,578.63 : x
  2. Step 2: Convert to fraction form
    71,804.18/99,074.78 = 41,578.63/x
  3. Step 3: Cross multiply
    71,804.18x = 99,074.78 × 41,578.63
  4. Step 4: Simplify right side
    71,804.18x = 4,119,393,320.29
  5. Step 5: Solve for x
    x = 4,119,393,320.29/71,804.18
  6. Step 6: Final answer
    x = 57,369.82

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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.