Home / 74,557.86-111,833.15-27,807.09

Finding the Fourth Proportional to 74,557.86, 111,833.15 and 27,807.09

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Solution

The fourth proportional to 74,557.86, 111,833.15 and 27,807.09 is: 41,709.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,557.86 : 111,833.15 = 27,807.09 : x
  2. Step 2: Convert to fraction form
    74,557.86/111,833.15 = 27,807.09/x
  3. Step 3: Cross multiply
    74,557.86x = 111,833.15 × 27,807.09
  4. Step 4: Simplify right side
    74,557.86x = 3,109,754,467.03
  5. Step 5: Solve for x
    x = 3,109,754,467.03/74,557.86
  6. Step 6: Final answer
    x = 41,709.28

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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.