Home / 107,938.80-161,920.35-33,058.35

Finding the Fourth Proportional to 107,938.80, 161,920.35 and 33,058.35

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Solution

The fourth proportional to 107,938.80, 161,920.35 and 33,058.35 is: 49,591.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,938.80 : 161,920.35 = 33,058.35 : x
  2. Step 2: Convert to fraction form
    107,938.80/161,920.35 = 33,058.35/x
  3. Step 3: Cross multiply
    107,938.80x = 161,920.35 × 33,058.35
  4. Step 4: Simplify right side
    107,938.80x = 5,352,819,602.42
  5. Step 5: Solve for x
    x = 5,352,819,602.42/107,938.80
  6. Step 6: Final answer
    x = 49,591.25

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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.