Home / 107,420.88-148,229.40-62,091.66

Finding the Fourth Proportional to 107,420.88, 148,229.40 and 62,091.66

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Solution

The fourth proportional to 107,420.88, 148,229.40 and 62,091.66 is: 85,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,420.88 : 148,229.40 = 62,091.66 : x
  2. Step 2: Convert to fraction form
    107,420.88/148,229.40 = 62,091.66/x
  3. Step 3: Cross multiply
    107,420.88x = 148,229.40 × 62,091.66
  4. Step 4: Simplify right side
    107,420.88x = 9,203,809,506.80
  5. Step 5: Solve for x
    x = 9,203,809,506.80/107,420.88
  6. Step 6: Final answer
    x = 85,679.89

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1.5x scale

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.