Home / 66,631.86-91,957.20-37,952.73

Finding the Fourth Proportional to 66,631.86, 91,957.20 and 37,952.73

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Solution

The fourth proportional to 66,631.86, 91,957.20 and 37,952.73 is: 52,377.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,631.86 : 91,957.20 = 37,952.73 : x
  2. Step 2: Convert to fraction form
    66,631.86/91,957.20 = 37,952.73/x
  3. Step 3: Cross multiply
    66,631.86x = 91,957.20 × 37,952.73
  4. Step 4: Simplify right side
    66,631.86x = 3,490,026,783.16
  5. Step 5: Solve for x
    x = 3,490,026,783.16/66,631.86
  6. Step 6: Final answer
    x = 52,377.75

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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.