Home / 100,610.16-150,898.50-30,472.80

Finding the Fourth Proportional to 100,610.16, 150,898.50 and 30,472.80

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Solution

The fourth proportional to 100,610.16, 150,898.50 and 30,472.80 is: 45,704.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,610.16 : 150,898.50 = 30,472.80 : x
  2. Step 2: Convert to fraction form
    100,610.16/150,898.50 = 30,472.80/x
  3. Step 3: Cross multiply
    100,610.16x = 150,898.50 × 30,472.80
  4. Step 4: Simplify right side
    100,610.16x = 4,598,299,810.80
  5. Step 5: Solve for x
    x = 4,598,299,810.80/100,610.16
  6. Step 6: Final answer
    x = 45,704.13

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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.