Home / 69,223.36-95,529.24-40,931.68

Finding the Fourth Proportional to 69,223.36, 95,529.24 and 40,931.68

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Solution

The fourth proportional to 69,223.36, 95,529.24 and 40,931.68 is: 56,486.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,223.36 : 95,529.24 = 40,931.68 : x
  2. Step 2: Convert to fraction form
    69,223.36/95,529.24 = 40,931.68/x
  3. Step 3: Cross multiply
    69,223.36x = 95,529.24 × 40,931.68
  4. Step 4: Simplify right side
    69,223.36x = 3,910,172,282.32
  5. Step 5: Solve for x
    x = 3,910,172,282.32/69,223.36
  6. Step 6: Final answer
    x = 56,486.31

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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.