Home / 74,878.21-112,261.83-35,389.19

Finding the Fourth Proportional to 74,878.21, 112,261.83 and 35,389.19

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Solution

The fourth proportional to 74,878.21, 112,261.83 and 35,389.19 is: 53,057.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,878.21 : 112,261.83 = 35,389.19 : x
  2. Step 2: Convert to fraction form
    74,878.21/112,261.83 = 35,389.19/x
  3. Step 3: Cross multiply
    74,878.21x = 112,261.83 × 35,389.19
  4. Step 4: Simplify right side
    74,878.21x = 3,972,855,231.62
  5. Step 5: Solve for x
    x = 3,972,855,231.62/74,878.21
  6. Step 6: Final answer
    x = 53,057.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.