Home / 62,574.78-93,872.40-20,442.63

Finding the Fourth Proportional to 62,574.78, 93,872.40 and 20,442.63

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Solution

The fourth proportional to 62,574.78, 93,872.40 and 20,442.63 is: 30,667.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,574.78 : 93,872.40 = 20,442.63 : x
  2. Step 2: Convert to fraction form
    62,574.78/93,872.40 = 20,442.63/x
  3. Step 3: Cross multiply
    62,574.78x = 93,872.40 × 20,442.63
  4. Step 4: Simplify right side
    62,574.78x = 1,918,998,602.73
  5. Step 5: Solve for x
    x = 1,918,998,602.73/62,574.78
  6. Step 6: Final answer
    x = 30,667.29

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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.