Home / 84,860.64-127,097.19-40,518.52

Finding the Fourth Proportional to 84,860.64, 127,097.19 and 40,518.52

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Solution

The fourth proportional to 84,860.64, 127,097.19 and 40,518.52 is: 60,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.64 : 127,097.19 = 40,518.52 : x
  2. Step 2: Convert to fraction form
    84,860.64/127,097.19 = 40,518.52/x
  3. Step 3: Cross multiply
    84,860.64x = 127,097.19 × 40,518.52
  4. Step 4: Simplify right side
    84,860.64x = 5,149,789,717.22
  5. Step 5: Solve for x
    x = 5,149,789,717.22/84,860.64
  6. Step 6: Final answer
    x = 60,685.26

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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.