Home / 74,434.48-111,662.88-21,837.76

Finding the Fourth Proportional to 74,434.48, 111,662.88 and 21,837.76

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Solution

The fourth proportional to 74,434.48, 111,662.88 and 21,837.76 is: 32,759.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,434.48 : 111,662.88 = 21,837.76 : x
  2. Step 2: Convert to fraction form
    74,434.48/111,662.88 = 21,837.76/x
  3. Step 3: Cross multiply
    74,434.48x = 111,662.88 × 21,837.76
  4. Step 4: Simplify right side
    74,434.48x = 2,438,467,174.35
  5. Step 5: Solve for x
    x = 2,438,467,174.35/74,434.48
  6. Step 6: Final answer
    x = 32,759.91

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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.