Home / 55,025.46-75,765.10-42,974.62

Finding the Fourth Proportional to 55,025.46, 75,765.10 and 42,974.62

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Solution

The fourth proportional to 55,025.46, 75,765.10 and 42,974.62 is: 59,172.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,025.46 : 75,765.10 = 42,974.62 : x
  2. Step 2: Convert to fraction form
    55,025.46/75,765.10 = 42,974.62/x
  3. Step 3: Cross multiply
    55,025.46x = 75,765.10 × 42,974.62
  4. Step 4: Simplify right side
    55,025.46x = 3,255,976,110.37
  5. Step 5: Solve for x
    x = 3,255,976,110.37/55,025.46
  6. Step 6: Final answer
    x = 59,172.18

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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.