Home / 74,060.57-111,090.33-29,686.68

Finding the Fourth Proportional to 74,060.57, 111,090.33 and 29,686.68

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Solution

The fourth proportional to 74,060.57, 111,090.33 and 29,686.68 is: 44,529.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,060.57 : 111,090.33 = 29,686.68 : x
  2. Step 2: Convert to fraction form
    74,060.57/111,090.33 = 29,686.68/x
  3. Step 3: Cross multiply
    74,060.57x = 111,090.33 × 29,686.68
  4. Step 4: Simplify right side
    74,060.57x = 3,297,903,077.80
  5. Step 5: Solve for x
    x = 3,297,903,077.80/74,060.57
  6. Step 6: Final answer
    x = 44,529.81

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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.