Home / 80,133.18-120,158.33-46,862.97

Finding the Fourth Proportional to 80,133.18, 120,158.33 and 46,862.97

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Solution

The fourth proportional to 80,133.18, 120,158.33 and 46,862.97 is: 70,270.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133.18 : 120,158.33 = 46,862.97 : x
  2. Step 2: Convert to fraction form
    80,133.18/120,158.33 = 46,862.97/x
  3. Step 3: Cross multiply
    80,133.18x = 120,158.33 × 46,862.97
  4. Step 4: Simplify right side
    80,133.18x = 5,630,975,979.73
  5. Step 5: Solve for x
    x = 5,630,975,979.73/80,133.18
  6. Step 6: Final answer
    x = 70,270.22

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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.