Home / 81,320.19-122,092.22-41,366.21

Finding the Fourth Proportional to 81,320.19, 122,092.22 and 41,366.21

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Solution

The fourth proportional to 81,320.19, 122,092.22 and 41,366.21 is: 62,106.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,320.19 : 122,092.22 = 41,366.21 : x
  2. Step 2: Convert to fraction form
    81,320.19/122,092.22 = 41,366.21/x
  3. Step 3: Cross multiply
    81,320.19x = 122,092.22 × 41,366.21
  4. Step 4: Simplify right side
    81,320.19x = 5,050,492,411.89
  5. Step 5: Solve for x
    x = 5,050,492,411.89/81,320.19
  6. Step 6: Final answer
    x = 62,106.25

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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.