Home / 75,866.04-104,734.50-55,425.18

Finding the Fourth Proportional to 75,866.04, 104,734.50 and 55,425.18

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Solution

The fourth proportional to 75,866.04, 104,734.50 and 55,425.18 is: 76,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,866.04 : 104,734.50 = 55,425.18 : x
  2. Step 2: Convert to fraction form
    75,866.04/104,734.50 = 55,425.18/x
  3. Step 3: Cross multiply
    75,866.04x = 104,734.50 × 55,425.18
  4. Step 4: Simplify right side
    75,866.04x = 5,804,928,514.71
  5. Step 5: Solve for x
    x = 5,804,928,514.71/75,866.04
  6. Step 6: Final answer
    x = 76,515.51

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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.