Home / 126,058.48-173,905.59-90,235.42

Finding the Fourth Proportional to 126,058.48, 173,905.59 and 90,235.42

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Solution

The fourth proportional to 126,058.48, 173,905.59 and 90,235.42 is: 124,485.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,058.48 : 173,905.59 = 90,235.42 : x
  2. Step 2: Convert to fraction form
    126,058.48/173,905.59 = 90,235.42/x
  3. Step 3: Cross multiply
    126,058.48x = 173,905.59 × 90,235.42
  4. Step 4: Simplify right side
    126,058.48x = 15,692,443,954.00
  5. Step 5: Solve for x
    x = 15,692,443,954.00/126,058.48
  6. Step 6: Final answer
    x = 124,485.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.