Home / 124,761.48-187,122.06-45,856.20

Finding the Fourth Proportional to 124,761.48, 187,122.06 and 45,856.20

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Solution

The fourth proportional to 124,761.48, 187,122.06 and 45,856.20 is: 68,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,761.48 : 187,122.06 = 45,856.20 : x
  2. Step 2: Convert to fraction form
    124,761.48/187,122.06 = 45,856.20/x
  3. Step 3: Cross multiply
    124,761.48x = 187,122.06 × 45,856.20
  4. Step 4: Simplify right side
    124,761.48x = 8,580,706,607.77
  5. Step 5: Solve for x
    x = 8,580,706,607.77/124,761.48
  6. Step 6: Final answer
    x = 68,776.89

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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.