Home / 126,024.48-189,036.09-37,278.45

Finding the Fourth Proportional to 126,024.48, 189,036.09 and 37,278.45

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Solution

The fourth proportional to 126,024.48, 189,036.09 and 37,278.45 is: 55,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,024.48 : 189,036.09 = 37,278.45 : x
  2. Step 2: Convert to fraction form
    126,024.48/189,036.09 = 37,278.45/x
  3. Step 3: Cross multiply
    126,024.48x = 189,036.09 × 37,278.45
  4. Step 4: Simplify right side
    126,024.48x = 7,046,972,429.26
  5. Step 5: Solve for x
    x = 7,046,972,429.26/126,024.48
  6. Step 6: Final answer
    x = 55,917.49

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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.