Home / 74,332.44-102,578.83-40,340.93

Finding the Fourth Proportional to 74,332.44, 102,578.83 and 40,340.93

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Solution

The fourth proportional to 74,332.44, 102,578.83 and 40,340.93 is: 55,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,332.44 : 102,578.83 = 40,340.93 : x
  2. Step 2: Convert to fraction form
    74,332.44/102,578.83 = 40,340.93/x
  3. Step 3: Cross multiply
    74,332.44x = 102,578.83 × 40,340.93
  4. Step 4: Simplify right side
    74,332.44x = 4,138,124,786.77
  5. Step 5: Solve for x
    x = 4,138,124,786.77/74,332.44
  6. Step 6: Final answer
    x = 55,670.51

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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.