Home / 107,433.79-148,242.15-62,103.05

Finding the Fourth Proportional to 107,433.79, 148,242.15 and 62,103.05

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Solution

The fourth proportional to 107,433.79, 148,242.15 and 62,103.05 is: 85,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,433.79 : 148,242.15 = 62,103.05 : x
  2. Step 2: Convert to fraction form
    107,433.79/148,242.15 = 62,103.05/x
  3. Step 3: Cross multiply
    107,433.79x = 148,242.15 × 62,103.05
  4. Step 4: Simplify right side
    107,433.79x = 9,206,290,302.12
  5. Step 5: Solve for x
    x = 9,206,290,302.12/107,433.79
  6. Step 6: Final answer
    x = 85,692.69

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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.