Home / 74,330.66-111,513.31-21,744.25

Finding the Fourth Proportional to 74,330.66, 111,513.31 and 21,744.25

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Solution

The fourth proportional to 74,330.66, 111,513.31 and 21,744.25 is: 32,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,330.66 : 111,513.31 = 21,744.25 : x
  2. Step 2: Convert to fraction form
    74,330.66/111,513.31 = 21,744.25/x
  3. Step 3: Cross multiply
    74,330.66x = 111,513.31 × 21,744.25
  4. Step 4: Simplify right side
    74,330.66x = 2,424,772,957.82
  5. Step 5: Solve for x
    x = 2,424,772,957.82/74,330.66
  6. Step 6: Final answer
    x = 32,621.44

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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.