Home / 82,862.72-114,350.88-45,136.64

Finding the Fourth Proportional to 82,862.72, 114,350.88 and 45,136.64

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Solution

The fourth proportional to 82,862.72, 114,350.88 and 45,136.64 is: 62,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,862.72 : 114,350.88 = 45,136.64 : x
  2. Step 2: Convert to fraction form
    82,862.72/114,350.88 = 45,136.64/x
  3. Step 3: Cross multiply
    82,862.72x = 114,350.88 × 45,136.64
  4. Step 4: Simplify right side
    82,862.72x = 5,161,414,504.24
  5. Step 5: Solve for x
    x = 5,161,414,504.24/82,862.72
  6. Step 6: Final answer
    x = 62,288.74

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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.