Home / 74,565.44-102,898.78-40,574.60

Finding the Fourth Proportional to 74,565.44, 102,898.78 and 40,574.60

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Solution

The fourth proportional to 74,565.44, 102,898.78 and 40,574.60 is: 55,992.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.44 : 102,898.78 = 40,574.60 : x
  2. Step 2: Convert to fraction form
    74,565.44/102,898.78 = 40,574.60/x
  3. Step 3: Cross multiply
    74,565.44x = 102,898.78 × 40,574.60
  4. Step 4: Simplify right side
    74,565.44x = 4,175,076,121.62
  5. Step 5: Solve for x
    x = 4,175,076,121.62/74,565.44
  6. Step 6: Final answer
    x = 55,992.11

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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.