Home / 100,883.58-151,324.89-30,762.66

Finding the Fourth Proportional to 100,883.58, 151,324.89 and 30,762.66

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Solution

The fourth proportional to 100,883.58, 151,324.89 and 30,762.66 is: 46,143.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,883.58 : 151,324.89 = 30,762.66 : x
  2. Step 2: Convert to fraction form
    100,883.58/151,324.89 = 30,762.66/x
  3. Step 3: Cross multiply
    100,883.58x = 151,324.89 × 30,762.66
  4. Step 4: Simplify right side
    100,883.58x = 4,655,156,140.61
  5. Step 5: Solve for x
    x = 4,655,156,140.61/100,883.58
  6. Step 6: Final answer
    x = 46,143.84

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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.