Home / 42,238.32-63,351.72-11,070.96

Finding the Fourth Proportional to 42,238.32, 63,351.72 and 11,070.96

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Solution

The fourth proportional to 42,238.32, 63,351.72 and 11,070.96 is: 16,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,238.32 : 63,351.72 = 11,070.96 : x
  2. Step 2: Convert to fraction form
    42,238.32/63,351.72 = 11,070.96/x
  3. Step 3: Cross multiply
    42,238.32x = 63,351.72 × 11,070.96
  4. Step 4: Simplify right side
    42,238.32x = 701,364,358.05
  5. Step 5: Solve for x
    x = 701,364,358.05/42,238.32
  6. Step 6: Final answer
    x = 16,604.93

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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.