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Finding the Fourth Proportional to 71,855.53, 99,153.06 and 41,650.33

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Solution

The fourth proportional to 71,855.53, 99,153.06 and 41,650.33 is: 57,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,855.53 : 99,153.06 = 41,650.33 : x
  2. Step 2: Convert to fraction form
    71,855.53/99,153.06 = 41,650.33/x
  3. Step 3: Cross multiply
    71,855.53x = 99,153.06 × 41,650.33
  4. Step 4: Simplify right side
    71,855.53x = 4,129,757,669.51
  5. Step 5: Solve for x
    x = 4,129,757,669.51/71,855.53
  6. Step 6: Final answer
    x = 57,473.07

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1.5x scale

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.