Home / 85,734.43-118,371.29-53,518.10

Finding the Fourth Proportional to 85,734.43, 118,371.29 and 53,518.10

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Solution

The fourth proportional to 85,734.43, 118,371.29 and 53,518.10 is: 73,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,734.43 : 118,371.29 = 53,518.10 : x
  2. Step 2: Convert to fraction form
    85,734.43/118,371.29 = 53,518.10/x
  3. Step 3: Cross multiply
    85,734.43x = 118,371.29 × 53,518.10
  4. Step 4: Simplify right side
    85,734.43x = 6,335,005,675.90
  5. Step 5: Solve for x
    x = 6,335,005,675.90/85,734.43
  6. Step 6: Final answer
    x = 73,891.04

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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.