Home / 42,305.06-63,412.92-14,198.46

Finding the Fourth Proportional to 42,305.06, 63,412.92 and 14,198.46

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Solution

The fourth proportional to 42,305.06, 63,412.92 and 14,198.46 is: 21,282.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,305.06 : 63,412.92 = 14,198.46 : x
  2. Step 2: Convert to fraction form
    42,305.06/63,412.92 = 14,198.46/x
  3. Step 3: Cross multiply
    42,305.06x = 63,412.92 × 14,198.46
  4. Step 4: Simplify right side
    42,305.06x = 900,365,808.10
  5. Step 5: Solve for x
    x = 900,365,808.10/42,305.06
  6. Step 6: Final answer
    x = 21,282.70

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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.