Home / 74,315.62-111,407.81-56,863.36

Finding the Fourth Proportional to 74,315.62, 111,407.81 and 56,863.36

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Solution

The fourth proportional to 74,315.62, 111,407.81 and 56,863.36 is: 85,244.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,315.62 : 111,407.81 = 56,863.36 : x
  2. Step 2: Convert to fraction form
    74,315.62/111,407.81 = 56,863.36/x
  3. Step 3: Cross multiply
    74,315.62x = 111,407.81 × 56,863.36
  4. Step 4: Simplify right side
    74,315.62x = 6,335,022,406.84
  5. Step 5: Solve for x
    x = 6,335,022,406.84/74,315.62
  6. Step 6: Final answer
    x = 85,244.83

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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.