Home / 77,276.44-106,640.04-43,284.52

Finding the Fourth Proportional to 77,276.44, 106,640.04 and 43,284.52

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Solution

The fourth proportional to 77,276.44, 106,640.04 and 43,284.52 is: 59,731.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,276.44 : 106,640.04 = 43,284.52 : x
  2. Step 2: Convert to fraction form
    77,276.44/106,640.04 = 43,284.52/x
  3. Step 3: Cross multiply
    77,276.44x = 106,640.04 × 43,284.52
  4. Step 4: Simplify right side
    77,276.44x = 4,615,862,944.18
  5. Step 5: Solve for x
    x = 4,615,862,944.18/77,276.44
  6. Step 6: Final answer
    x = 59,731.83

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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.