Home / 59,918.41-89,877.62-20,475.87

Finding the Fourth Proportional to 59,918.41, 89,877.62 and 20,475.87

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Solution

The fourth proportional to 59,918.41, 89,877.62 and 20,475.87 is: 30,713.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,918.41 : 89,877.62 = 20,475.87 : x
  2. Step 2: Convert to fraction form
    59,918.41/89,877.62 = 20,475.87/x
  3. Step 3: Cross multiply
    59,918.41x = 89,877.62 × 20,475.87
  4. Step 4: Simplify right side
    59,918.41x = 1,840,322,463.03
  5. Step 5: Solve for x
    x = 1,840,322,463.03/59,918.41
  6. Step 6: Final answer
    x = 30,713.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.