Home / 75,685.50-104,272.11-59,764.14

Finding the Fourth Proportional to 75,685.50, 104,272.11 and 59,764.14

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Solution

The fourth proportional to 75,685.50, 104,272.11 and 59,764.14 is: 82,337.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,685.50 : 104,272.11 = 59,764.14 : x
  2. Step 2: Convert to fraction form
    75,685.50/104,272.11 = 59,764.14/x
  3. Step 3: Cross multiply
    75,685.50x = 104,272.11 × 59,764.14
  4. Step 4: Simplify right side
    75,685.50x = 6,231,732,980.14
  5. Step 5: Solve for x
    x = 6,231,732,980.14/75,685.50
  6. Step 6: Final answer
    x = 82,337.21

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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.