Home / 82,217.70-122,970.22-48,403.14

Finding the Fourth Proportional to 82,217.70, 122,970.22 and 48,403.14

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Solution

The fourth proportional to 82,217.70, 122,970.22 and 48,403.14 is: 72,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,217.70 : 122,970.22 = 48,403.14 : x
  2. Step 2: Convert to fraction form
    82,217.70/122,970.22 = 48,403.14/x
  3. Step 3: Cross multiply
    82,217.70x = 122,970.22 × 48,403.14
  4. Step 4: Simplify right side
    82,217.70x = 5,952,144,373.86
  5. Step 5: Solve for x
    x = 5,952,144,373.86/82,217.70
  6. Step 6: Final answer
    x = 72,394.93

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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.