Home / 42,483.97-63,721.84-12,902.06

Finding the Fourth Proportional to 42,483.97, 63,721.84 and 12,902.06

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Solution

The fourth proportional to 42,483.97, 63,721.84 and 12,902.06 is: 19,351.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,483.97 : 63,721.84 = 12,902.06 : x
  2. Step 2: Convert to fraction form
    42,483.97/63,721.84 = 12,902.06/x
  3. Step 3: Cross multiply
    42,483.97x = 63,721.84 × 12,902.06
  4. Step 4: Simplify right side
    42,483.97x = 822,143,002.99
  5. Step 5: Solve for x
    x = 822,143,002.99/42,483.97
  6. Step 6: Final answer
    x = 19,351.84

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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.