Home / 74,565.76-102,900.96-40,574.56

Finding the Fourth Proportional to 74,565.76, 102,900.96 and 40,574.56

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Solution

The fourth proportional to 74,565.76, 102,900.96 and 40,574.56 is: 55,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,565.76 : 102,900.96 = 40,574.56 : x
  2. Step 2: Convert to fraction form
    74,565.76/102,900.96 = 40,574.56/x
  3. Step 3: Cross multiply
    74,565.76x = 102,900.96 × 40,574.56
  4. Step 4: Simplify right side
    74,565.76x = 4,175,161,175.58
  5. Step 5: Solve for x
    x = 4,175,161,175.58/74,565.76
  6. Step 6: Final answer
    x = 55,993.01

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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.