Home / 124,722.68-187,099.91-57,238.34

Finding the Fourth Proportional to 124,722.68, 187,099.91 and 57,238.34

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Solution

The fourth proportional to 124,722.68, 187,099.91 and 57,238.34 is: 85,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,722.68 : 187,099.91 = 57,238.34 : x
  2. Step 2: Convert to fraction form
    124,722.68/187,099.91 = 57,238.34/x
  3. Step 3: Cross multiply
    124,722.68x = 187,099.91 × 57,238.34
  4. Step 4: Simplify right side
    124,722.68x = 10,709,287,040.86
  5. Step 5: Solve for x
    x = 10,709,287,040.86/124,722.68
  6. Step 6: Final answer
    x = 85,864.80

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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.