Home / 86,322.28-119,136.10-48,603.88

Finding the Fourth Proportional to 86,322.28, 119,136.10 and 48,603.88

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Solution

The fourth proportional to 86,322.28, 119,136.10 and 48,603.88 is: 67,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,322.28 : 119,136.10 = 48,603.88 : x
  2. Step 2: Convert to fraction form
    86,322.28/119,136.10 = 48,603.88/x
  3. Step 3: Cross multiply
    86,322.28x = 119,136.10 × 48,603.88
  4. Step 4: Simplify right side
    86,322.28x = 5,790,476,708.07
  5. Step 5: Solve for x
    x = 5,790,476,708.07/86,322.28
  6. Step 6: Final answer
    x = 67,079.75

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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.