Home / 84,918.22-117,184.61-48,618.46

Finding the Fourth Proportional to 84,918.22, 117,184.61 and 48,618.46

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Solution

The fourth proportional to 84,918.22, 117,184.61 and 48,618.46 is: 67,092.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,918.22 : 117,184.61 = 48,618.46 : x
  2. Step 2: Convert to fraction form
    84,918.22/117,184.61 = 48,618.46/x
  3. Step 3: Cross multiply
    84,918.22x = 117,184.61 × 48,618.46
  4. Step 4: Simplify right side
    84,918.22x = 5,697,335,541.93
  5. Step 5: Solve for x
    x = 5,697,335,541.93/84,918.22
  6. Step 6: Final answer
    x = 67,092.03

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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.