Home / 125,096.22-187,663.77-42,009.66

Finding the Fourth Proportional to 125,096.22, 187,663.77 and 42,009.66

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Solution

The fourth proportional to 125,096.22, 187,663.77 and 42,009.66 is: 63,021.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,096.22 : 187,663.77 = 42,009.66 : x
  2. Step 2: Convert to fraction form
    125,096.22/187,663.77 = 42,009.66/x
  3. Step 3: Cross multiply
    125,096.22x = 187,663.77 × 42,009.66
  4. Step 4: Simplify right side
    125,096.22x = 7,883,691,172.02
  5. Step 5: Solve for x
    x = 7,883,691,172.02/125,096.22
  6. Step 6: Final answer
    x = 63,021.02

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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.