Home / 62,904.32-86,771.08-40,235.04

Finding the Fourth Proportional to 62,904.32, 86,771.08 and 40,235.04

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Solution

The fourth proportional to 62,904.32, 86,771.08 and 40,235.04 is: 55,500.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,904.32 : 86,771.08 = 40,235.04 : x
  2. Step 2: Convert to fraction form
    62,904.32/86,771.08 = 40,235.04/x
  3. Step 3: Cross multiply
    62,904.32x = 86,771.08 × 40,235.04
  4. Step 4: Simplify right side
    62,904.32x = 3,491,237,874.64
  5. Step 5: Solve for x
    x = 3,491,237,874.64/62,904.32
  6. Step 6: Final answer
    x = 55,500.76

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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.