Home / 61,919.18-85,470.27-36,768.50

Finding the Fourth Proportional to 61,919.18, 85,470.27 and 36,768.50

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Solution

The fourth proportional to 61,919.18, 85,470.27 and 36,768.50 is: 50,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,919.18 : 85,470.27 = 36,768.50 : x
  2. Step 2: Convert to fraction form
    61,919.18/85,470.27 = 36,768.50/x
  3. Step 3: Cross multiply
    61,919.18x = 85,470.27 × 36,768.50
  4. Step 4: Simplify right side
    61,919.18x = 3,142,613,622.50
  5. Step 5: Solve for x
    x = 3,142,613,622.50/61,919.18
  6. Step 6: Final answer
    x = 50,753.48

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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.