Home / 82,916.61-124,387.20-26,738.25

Finding the Fourth Proportional to 82,916.61, 124,387.20 and 26,738.25

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Solution

The fourth proportional to 82,916.61, 124,387.20 and 26,738.25 is: 40,111.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,916.61 : 124,387.20 = 26,738.25 : x
  2. Step 2: Convert to fraction form
    82,916.61/124,387.20 = 26,738.25/x
  3. Step 3: Cross multiply
    82,916.61x = 124,387.20 × 26,738.25
  4. Step 4: Simplify right side
    82,916.61x = 3,325,896,050.40
  5. Step 5: Solve for x
    x = 3,325,896,050.40/82,916.61
  6. Step 6: Final answer
    x = 40,111.34

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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.