Home / 52,855.68-72,943.32-31,631.04

Finding the Fourth Proportional to 52,855.68, 72,943.32 and 31,631.04

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Solution

The fourth proportional to 52,855.68, 72,943.32 and 31,631.04 is: 43,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,855.68 : 72,943.32 = 31,631.04 : x
  2. Step 2: Convert to fraction form
    52,855.68/72,943.32 = 31,631.04/x
  3. Step 3: Cross multiply
    52,855.68x = 72,943.32 × 31,631.04
  4. Step 4: Simplify right side
    52,855.68x = 2,307,273,072.65
  5. Step 5: Solve for x
    x = 2,307,273,072.65/52,855.68
  6. Step 6: Final answer
    x = 43,652.32

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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.