Home / 83,038.43-124,577.40-26,878.55

Finding the Fourth Proportional to 83,038.43, 124,577.40 and 26,878.55

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Solution

The fourth proportional to 83,038.43, 124,577.40 and 26,878.55 is: 40,324.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,038.43 : 124,577.40 = 26,878.55 : x
  2. Step 2: Convert to fraction form
    83,038.43/124,577.40 = 26,878.55/x
  3. Step 3: Cross multiply
    83,038.43x = 124,577.40 × 26,878.55
  4. Step 4: Simplify right side
    83,038.43x = 3,348,459,251.88
  5. Step 5: Solve for x
    x = 3,348,459,251.88/83,038.43
  6. Step 6: Final answer
    x = 40,324.21

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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.