Home / 83,038.41-124,577.39-26,878.53

Finding the Fourth Proportional to 83,038.41, 124,577.39 and 26,878.53

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Solution

The fourth proportional to 83,038.41, 124,577.39 and 26,878.53 is: 40,324.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,038.41 : 124,577.39 = 26,878.53 : x
  2. Step 2: Convert to fraction form
    83,038.41/124,577.39 = 26,878.53/x
  3. Step 3: Cross multiply
    83,038.41x = 124,577.39 × 26,878.53
  4. Step 4: Simplify right side
    83,038.41x = 3,348,457,114.44
  5. Step 5: Solve for x
    x = 3,348,457,114.44/83,038.41
  6. Step 6: Final answer
    x = 40,324.20

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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.