Home / 42,239.34-63,362.43-11,074.50

Finding the Fourth Proportional to 42,239.34, 63,362.43 and 11,074.50

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Solution

The fourth proportional to 42,239.34, 63,362.43 and 11,074.50 is: 16,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.34 : 63,362.43 = 11,074.50 : x
  2. Step 2: Convert to fraction form
    42,239.34/63,362.43 = 11,074.50/x
  3. Step 3: Cross multiply
    42,239.34x = 63,362.43 × 11,074.50
  4. Step 4: Simplify right side
    42,239.34x = 701,707,231.04
  5. Step 5: Solve for x
    x = 701,707,231.04/42,239.34
  6. Step 6: Final answer
    x = 16,612.65

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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.