Home / 71,946.72-99,251.19-48,079.26

Finding the Fourth Proportional to 71,946.72, 99,251.19 and 48,079.26

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Solution

The fourth proportional to 71,946.72, 99,251.19 and 48,079.26 is: 66,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,946.72 : 99,251.19 = 48,079.26 : x
  2. Step 2: Convert to fraction form
    71,946.72/99,251.19 = 48,079.26/x
  3. Step 3: Cross multiply
    71,946.72x = 99,251.19 × 48,079.26
  4. Step 4: Simplify right side
    71,946.72x = 4,771,923,769.32
  5. Step 5: Solve for x
    x = 4,771,923,769.32/71,946.72
  6. Step 6: Final answer
    x = 66,325.80

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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.