Home / 42,256.66-63,378.62-14,171.94

Finding the Fourth Proportional to 42,256.66, 63,378.62 and 14,171.94

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Solution

The fourth proportional to 42,256.66, 63,378.62 and 14,171.94 is: 21,255.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,256.66 : 63,378.62 = 14,171.94 : x
  2. Step 2: Convert to fraction form
    42,256.66/63,378.62 = 14,171.94/x
  3. Step 3: Cross multiply
    42,256.66x = 63,378.62 × 14,171.94
  4. Step 4: Simplify right side
    42,256.66x = 898,197,999.92
  5. Step 5: Solve for x
    x = 898,197,999.92/42,256.66
  6. Step 6: Final answer
    x = 21,255.77

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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.