Home / 56,768.91-85,007.97-47,385.60

Finding the Fourth Proportional to 56,768.91, 85,007.97 and 47,385.60

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Solution

The fourth proportional to 56,768.91, 85,007.97 and 47,385.60 is: 70,957.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,768.91 : 85,007.97 = 47,385.60 : x
  2. Step 2: Convert to fraction form
    56,768.91/85,007.97 = 47,385.60/x
  3. Step 3: Cross multiply
    56,768.91x = 85,007.97 × 47,385.60
  4. Step 4: Simplify right side
    56,768.91x = 4,028,153,663.23
  5. Step 5: Solve for x
    x = 4,028,153,663.23/56,768.91
  6. Step 6: Final answer
    x = 70,957.04

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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.