Home / 126,602.48-189,997.02-60,042.80

Finding the Fourth Proportional to 126,602.48, 189,997.02 and 60,042.80

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Solution

The fourth proportional to 126,602.48, 189,997.02 and 60,042.80 is: 90,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,602.48 : 189,997.02 = 60,042.80 : x
  2. Step 2: Convert to fraction form
    126,602.48/189,997.02 = 60,042.80/x
  3. Step 3: Cross multiply
    126,602.48x = 189,997.02 × 60,042.80
  4. Step 4: Simplify right side
    126,602.48x = 11,407,953,072.46
  5. Step 5: Solve for x
    x = 11,407,953,072.46/126,602.48
  6. Step 6: Final answer
    x = 90,108.45

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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.