Home / 69,136.79-95,415.91-42,297.14

Finding the Fourth Proportional to 69,136.79, 95,415.91 and 42,297.14

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Solution

The fourth proportional to 69,136.79, 95,415.91 and 42,297.14 is: 58,374.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,136.79 : 95,415.91 = 42,297.14 : x
  2. Step 2: Convert to fraction form
    69,136.79/95,415.91 = 42,297.14/x
  3. Step 3: Cross multiply
    69,136.79x = 95,415.91 × 42,297.14
  4. Step 4: Simplify right side
    69,136.79x = 4,035,820,236.29
  5. Step 5: Solve for x
    x = 4,035,820,236.29/69,136.79
  6. Step 6: Final answer
    x = 58,374.43

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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.