Home / 42,212.86-63,322.61-14,133.03

Finding the Fourth Proportional to 42,212.86, 63,322.61 and 14,133.03

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Solution

The fourth proportional to 42,212.86, 63,322.61 and 14,133.03 is: 21,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,212.86 : 63,322.61 = 14,133.03 : x
  2. Step 2: Convert to fraction form
    42,212.86/63,322.61 = 14,133.03/x
  3. Step 3: Cross multiply
    42,212.86x = 63,322.61 × 14,133.03
  4. Step 4: Simplify right side
    42,212.86x = 894,940,296.28
  5. Step 5: Solve for x
    x = 894,940,296.28/42,212.86
  6. Step 6: Final answer
    x = 21,200.66

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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.