Home / 84,899.66-117,044.43-67,730.28

Finding the Fourth Proportional to 84,899.66, 117,044.43 and 67,730.28

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Solution

The fourth proportional to 84,899.66, 117,044.43 and 67,730.28 is: 93,374.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,899.66 : 117,044.43 = 67,730.28 : x
  2. Step 2: Convert to fraction form
    84,899.66/117,044.43 = 67,730.28/x
  3. Step 3: Cross multiply
    84,899.66x = 117,044.43 × 67,730.28
  4. Step 4: Simplify right side
    84,899.66x = 7,927,452,016.34
  5. Step 5: Solve for x
    x = 7,927,452,016.34/84,899.66
  6. Step 6: Final answer
    x = 93,374.37

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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.