Home / 82,738.61-124,112.60-23,578.90

Finding the Fourth Proportional to 82,738.61, 124,112.60 and 23,578.90

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Solution

The fourth proportional to 82,738.61, 124,112.60 and 23,578.90 is: 35,369.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738.61 : 124,112.60 = 23,578.90 : x
  2. Step 2: Convert to fraction form
    82,738.61/124,112.60 = 23,578.90/x
  3. Step 3: Cross multiply
    82,738.61x = 124,112.60 × 23,578.90
  4. Step 4: Simplify right side
    82,738.61x = 2,926,438,377.02
  5. Step 5: Solve for x
    x = 2,926,438,377.02/82,738.61
  6. Step 6: Final answer
    x = 35,369.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.