Home / 88,719.40-122,437.38-50,997.16

Finding the Fourth Proportional to 88,719.40, 122,437.38 and 50,997.16

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Solution

The fourth proportional to 88,719.40, 122,437.38 and 50,997.16 is: 70,378.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,719.40 : 122,437.38 = 50,997.16 : x
  2. Step 2: Convert to fraction form
    88,719.40/122,437.38 = 50,997.16/x
  3. Step 3: Cross multiply
    88,719.40x = 122,437.38 × 50,997.16
  4. Step 4: Simplify right side
    88,719.40x = 6,243,958,657.84
  5. Step 5: Solve for x
    x = 6,243,958,657.84/88,719.40
  6. Step 6: Final answer
    x = 70,378.73

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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.