Home / 82,922.50-124,403.19-27,518.50

Finding the Fourth Proportional to 82,922.50, 124,403.19 and 27,518.50

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Solution

The fourth proportional to 82,922.50, 124,403.19 and 27,518.50 is: 41,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,922.50 : 124,403.19 = 27,518.50 : x
  2. Step 2: Convert to fraction form
    82,922.50/124,403.19 = 27,518.50/x
  3. Step 3: Cross multiply
    82,922.50x = 124,403.19 × 27,518.50
  4. Step 4: Simplify right side
    82,922.50x = 3,423,389,184.02
  5. Step 5: Solve for x
    x = 3,423,389,184.02/82,922.50
  6. Step 6: Final answer
    x = 41,284.20

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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.