Home / 42,356.16-63,536.52-11,190.56

Finding the Fourth Proportional to 42,356.16, 63,536.52 and 11,190.56

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Solution

The fourth proportional to 42,356.16, 63,536.52 and 11,190.56 is: 16,786.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,356.16 : 63,536.52 = 11,190.56 : x
  2. Step 2: Convert to fraction form
    42,356.16/63,536.52 = 11,190.56/x
  3. Step 3: Cross multiply
    42,356.16x = 63,536.52 × 11,190.56
  4. Step 4: Simplify right side
    42,356.16x = 711,009,239.25
  5. Step 5: Solve for x
    x = 711,009,239.25/42,356.16
  6. Step 6: Final answer
    x = 16,786.44

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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.