Home / 41,121.76-61,682.80-9,957.04

Finding the Fourth Proportional to 41,121.76, 61,682.80 and 9,957.04

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Solution

The fourth proportional to 41,121.76, 61,682.80 and 9,957.04 is: 14,935.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.76 : 61,682.80 = 9,957.04 : x
  2. Step 2: Convert to fraction form
    41,121.76/61,682.80 = 9,957.04/x
  3. Step 3: Cross multiply
    41,121.76x = 61,682.80 × 9,957.04
  4. Step 4: Simplify right side
    41,121.76x = 614,178,106.91
  5. Step 5: Solve for x
    x = 614,178,106.91/41,121.76
  6. Step 6: Final answer
    x = 14,935.60

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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.