Home / 74,748.22-111,781.45-55,786.25

Finding the Fourth Proportional to 74,748.22, 111,781.45 and 55,786.25

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Solution

The fourth proportional to 74,748.22, 111,781.45 and 55,786.25 is: 83,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.22 : 111,781.45 = 55,786.25 : x
  2. Step 2: Convert to fraction form
    74,748.22/111,781.45 = 55,786.25/x
  3. Step 3: Cross multiply
    74,748.22x = 111,781.45 × 55,786.25
  4. Step 4: Simplify right side
    74,748.22x = 6,235,868,264.25
  5. Step 5: Solve for x
    x = 6,235,868,264.25/74,748.22
  6. Step 6: Final answer
    x = 83,424.98

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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.