Home / 91,003.44-125,662.14-57,068.76

Finding the Fourth Proportional to 91,003.44, 125,662.14 and 57,068.76

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Solution

The fourth proportional to 91,003.44, 125,662.14 and 57,068.76 is: 78,803.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,003.44 : 125,662.14 = 57,068.76 : x
  2. Step 2: Convert to fraction form
    91,003.44/125,662.14 = 57,068.76/x
  3. Step 3: Cross multiply
    91,003.44x = 125,662.14 × 57,068.76
  4. Step 4: Simplify right side
    91,003.44x = 7,171,382,508.75
  5. Step 5: Solve for x
    x = 7,171,382,508.75/91,003.44
  6. Step 6: Final answer
    x = 78,803.42

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1.5x scale

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.