Home / 74,574.18-111,827.79-21,965.22

Finding the Fourth Proportional to 74,574.18, 111,827.79 and 21,965.22

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Solution

The fourth proportional to 74,574.18, 111,827.79 and 21,965.22 is: 32,937.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,574.18 : 111,827.79 = 21,965.22 : x
  2. Step 2: Convert to fraction form
    74,574.18/111,827.79 = 21,965.22/x
  3. Step 3: Cross multiply
    74,574.18x = 111,827.79 × 21,965.22
  4. Step 4: Simplify right side
    74,574.18x = 2,456,322,009.46
  5. Step 5: Solve for x
    x = 2,456,322,009.46/74,574.18
  6. Step 6: Final answer
    x = 32,937.97

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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.