Home / 77,046.25-106,321.77-43,055.01

Finding the Fourth Proportional to 77,046.25, 106,321.77 and 43,055.01

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Solution

The fourth proportional to 77,046.25, 106,321.77 and 43,055.01 is: 59,414.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,046.25 : 106,321.77 = 43,055.01 : x
  2. Step 2: Convert to fraction form
    77,046.25/106,321.77 = 43,055.01/x
  3. Step 3: Cross multiply
    77,046.25x = 106,321.77 × 43,055.01
  4. Step 4: Simplify right side
    77,046.25x = 4,577,684,870.57
  5. Step 5: Solve for x
    x = 4,577,684,870.57/77,046.25
  6. Step 6: Final answer
    x = 59,414.77

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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.