Home / 75,745.96-104,534.02-42,211.88

Finding the Fourth Proportional to 75,745.96, 104,534.02 and 42,211.88

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Solution

The fourth proportional to 75,745.96, 104,534.02 and 42,211.88 is: 58,254.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,745.96 : 104,534.02 = 42,211.88 : x
  2. Step 2: Convert to fraction form
    75,745.96/104,534.02 = 42,211.88/x
  3. Step 3: Cross multiply
    75,745.96x = 104,534.02 × 42,211.88
  4. Step 4: Simplify right side
    75,745.96x = 4,412,577,508.16
  5. Step 5: Solve for x
    x = 4,412,577,508.16/75,745.96
  6. Step 6: Final answer
    x = 58,254.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.