Home / 100,851.20-151,276.80-41,729.30

Finding the Fourth Proportional to 100,851.20, 151,276.80 and 41,729.30

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Solution

The fourth proportional to 100,851.20, 151,276.80 and 41,729.30 is: 62,593.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,851.20 : 151,276.80 = 41,729.30 : x
  2. Step 2: Convert to fraction form
    100,851.20/151,276.80 = 41,729.30/x
  3. Step 3: Cross multiply
    100,851.20x = 151,276.80 × 41,729.30
  4. Step 4: Simplify right side
    100,851.20x = 6,312,674,970.24
  5. Step 5: Solve for x
    x = 6,312,674,970.24/100,851.20
  6. Step 6: Final answer
    x = 62,593.95

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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.