Home / 66,156.65-91,276.06-37,471.75

Finding the Fourth Proportional to 66,156.65, 91,276.06 and 37,471.75

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Solution

The fourth proportional to 66,156.65, 91,276.06 and 37,471.75 is: 51,699.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,156.65 : 91,276.06 = 37,471.75 : x
  2. Step 2: Convert to fraction form
    66,156.65/91,276.06 = 37,471.75/x
  3. Step 3: Cross multiply
    66,156.65x = 91,276.06 × 37,471.75
  4. Step 4: Simplify right side
    66,156.65x = 3,420,273,701.31
  5. Step 5: Solve for x
    x = 3,420,273,701.31/66,156.65
  6. Step 6: Final answer
    x = 51,699.62

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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.