Home / 63,121.68-87,107.40-34,827.57

Finding the Fourth Proportional to 63,121.68, 87,107.40 and 34,827.57

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Solution

The fourth proportional to 63,121.68, 87,107.40 and 34,827.57 is: 48,061.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,121.68 : 87,107.40 = 34,827.57 : x
  2. Step 2: Convert to fraction form
    63,121.68/87,107.40 = 34,827.57/x
  3. Step 3: Cross multiply
    63,121.68x = 87,107.40 × 34,827.57
  4. Step 4: Simplify right side
    63,121.68x = 3,033,739,071.02
  5. Step 5: Solve for x
    x = 3,033,739,071.02/63,121.68
  6. Step 6: Final answer
    x = 48,061.76

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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.