Home / 104,074.64-143,589.48-63,746.36

Finding the Fourth Proportional to 104,074.64, 143,589.48 and 63,746.36

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Solution

The fourth proportional to 104,074.64, 143,589.48 and 63,746.36 is: 87,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,074.64 : 143,589.48 = 63,746.36 : x
  2. Step 2: Convert to fraction form
    104,074.64/143,589.48 = 63,746.36/x
  3. Step 3: Cross multiply
    104,074.64x = 143,589.48 × 63,746.36
  4. Step 4: Simplify right side
    104,074.64x = 9,153,306,684.29
  5. Step 5: Solve for x
    x = 9,153,306,684.29/104,074.64
  6. Step 6: Final answer
    x = 87,949.44

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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.