Home / 120,792.83-166,688.52-67,081.28

Finding the Fourth Proportional to 120,792.83, 166,688.52 and 67,081.28

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Solution

The fourth proportional to 120,792.83, 166,688.52 and 67,081.28 is: 92,569.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,792.83 : 166,688.52 = 67,081.28 : x
  2. Step 2: Convert to fraction form
    120,792.83/166,688.52 = 67,081.28/x
  3. Step 3: Cross multiply
    120,792.83x = 166,688.52 × 67,081.28
  4. Step 4: Simplify right side
    120,792.83x = 11,181,679,282.91
  5. Step 5: Solve for x
    x = 11,181,679,282.91/120,792.83
  6. Step 6: Final answer
    x = 92,569.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.