Home / 81,490.93-122,282.64-44,050.10

Finding the Fourth Proportional to 81,490.93, 122,282.64 and 44,050.10

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Solution

The fourth proportional to 81,490.93, 122,282.64 and 44,050.10 is: 66,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,490.93 : 122,282.64 = 44,050.10 : x
  2. Step 2: Convert to fraction form
    81,490.93/122,282.64 = 44,050.10/x
  3. Step 3: Cross multiply
    81,490.93x = 122,282.64 × 44,050.10
  4. Step 4: Simplify right side
    81,490.93x = 5,386,561,908.85
  5. Step 5: Solve for x
    x = 5,386,561,908.85/81,490.93
  6. Step 6: Final answer
    x = 66,100.14

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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.