Home / 67,042.06-100,600.02-40,765.25

Finding the Fourth Proportional to 67,042.06, 100,600.02 and 40,765.25

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Solution

The fourth proportional to 67,042.06, 100,600.02 and 40,765.25 is: 61,170.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,042.06 : 100,600.02 = 40,765.25 : x
  2. Step 2: Convert to fraction form
    67,042.06/100,600.02 = 40,765.25/x
  3. Step 3: Cross multiply
    67,042.06x = 100,600.02 × 40,765.25
  4. Step 4: Simplify right side
    67,042.06x = 4,100,985,216.81
  5. Step 5: Solve for x
    x = 4,100,985,216.81/67,042.06
  6. Step 6: Final answer
    x = 61,170.34

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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.