Home / 42,110.56-63,172.08-14,021.44

Finding the Fourth Proportional to 42,110.56, 63,172.08 and 14,021.44

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Solution

The fourth proportional to 42,110.56, 63,172.08 and 14,021.44 is: 21,034.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,110.56 : 63,172.08 = 14,021.44 : x
  2. Step 2: Convert to fraction form
    42,110.56/63,172.08 = 14,021.44/x
  3. Step 3: Cross multiply
    42,110.56x = 63,172.08 × 14,021.44
  4. Step 4: Simplify right side
    42,110.56x = 885,763,529.40
  5. Step 5: Solve for x
    x = 885,763,529.40/42,110.56
  6. Step 6: Final answer
    x = 21,034.24

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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.