Home / 89,051.46-122,974.26-57,275.52

Finding the Fourth Proportional to 89,051.46, 122,974.26 and 57,275.52

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Solution

The fourth proportional to 89,051.46, 122,974.26 and 57,275.52 is: 79,093.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,051.46 : 122,974.26 = 57,275.52 : x
  2. Step 2: Convert to fraction form
    89,051.46/122,974.26 = 57,275.52/x
  3. Step 3: Cross multiply
    89,051.46x = 122,974.26 × 57,275.52
  4. Step 4: Simplify right side
    89,051.46x = 7,043,414,688.12
  5. Step 5: Solve for x
    x = 7,043,414,688.12/89,051.46
  6. Step 6: Final answer
    x = 79,093.76

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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.