Home / 82,839.78-124,257.60-26,683.74

Finding the Fourth Proportional to 82,839.78, 124,257.60 and 26,683.74

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Solution

The fourth proportional to 82,839.78, 124,257.60 and 26,683.74 is: 40,024.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,839.78 : 124,257.60 = 26,683.74 : x
  2. Step 2: Convert to fraction form
    82,839.78/124,257.60 = 26,683.74/x
  3. Step 3: Cross multiply
    82,839.78x = 124,257.60 × 26,683.74
  4. Step 4: Simplify right side
    82,839.78x = 3,315,657,491.42
  5. Step 5: Solve for x
    x = 3,315,657,491.42/82,839.78
  6. Step 6: Final answer
    x = 40,024.94

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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.