Home / 74,005.64-111,008.24-26,620.66

Finding the Fourth Proportional to 74,005.64, 111,008.24 and 26,620.66

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Solution

The fourth proportional to 74,005.64, 111,008.24 and 26,620.66 is: 39,930.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,005.64 : 111,008.24 = 26,620.66 : x
  2. Step 2: Convert to fraction form
    74,005.64/111,008.24 = 26,620.66/x
  3. Step 3: Cross multiply
    74,005.64x = 111,008.24 × 26,620.66
  4. Step 4: Simplify right side
    74,005.64x = 2,955,112,614.24
  5. Step 5: Solve for x
    x = 2,955,112,614.24/74,005.64
  6. Step 6: Final answer
    x = 39,930.91

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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.