Home / 74,252.66-111,378.96-21,666.38

Finding the Fourth Proportional to 74,252.66, 111,378.96 and 21,666.38

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Solution

The fourth proportional to 74,252.66, 111,378.96 and 21,666.38 is: 32,499.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,252.66 : 111,378.96 = 21,666.38 : x
  2. Step 2: Convert to fraction form
    74,252.66/111,378.96 = 21,666.38/x
  3. Step 3: Cross multiply
    74,252.66x = 111,378.96 × 21,666.38
  4. Step 4: Simplify right side
    74,252.66x = 2,413,178,871.36
  5. Step 5: Solve for x
    x = 2,413,178,871.36/74,252.66
  6. Step 6: Final answer
    x = 32,499.56

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1.5x scale

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.