Home / 73,617.18-101,489.64-49,705.98

Finding the Fourth Proportional to 73,617.18, 101,489.64 and 49,705.98

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Solution

The fourth proportional to 73,617.18, 101,489.64 and 49,705.98 is: 68,525.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,617.18 : 101,489.64 = 49,705.98 : x
  2. Step 2: Convert to fraction form
    73,617.18/101,489.64 = 49,705.98/x
  3. Step 3: Cross multiply
    73,617.18x = 101,489.64 × 49,705.98
  4. Step 4: Simplify right side
    73,617.18x = 5,044,642,016.05
  5. Step 5: Solve for x
    x = 5,044,642,016.05/73,617.18
  6. Step 6: Final answer
    x = 68,525.34

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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.