Home / 59,930.12-89,903.28-20,476.64

Finding the Fourth Proportional to 59,930.12, 89,903.28 and 20,476.64

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Solution

The fourth proportional to 59,930.12, 89,903.28 and 20,476.64 is: 30,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,930.12 : 89,903.28 = 20,476.64 : x
  2. Step 2: Convert to fraction form
    59,930.12/89,903.28 = 20,476.64/x
  3. Step 3: Cross multiply
    59,930.12x = 89,903.28 × 20,476.64
  4. Step 4: Simplify right side
    59,930.12x = 1,840,917,099.38
  5. Step 5: Solve for x
    x = 1,840,917,099.38/59,930.12
  6. Step 6: Final answer
    x = 30,717.73

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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.