Home / 62,975.57-86,907.85-38,767.53

Finding the Fourth Proportional to 62,975.57, 86,907.85 and 38,767.53

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Solution

The fourth proportional to 62,975.57, 86,907.85 and 38,767.53 is: 53,500.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,975.57 : 86,907.85 = 38,767.53 : x
  2. Step 2: Convert to fraction form
    62,975.57/86,907.85 = 38,767.53/x
  3. Step 3: Cross multiply
    62,975.57x = 86,907.85 × 38,767.53
  4. Step 4: Simplify right side
    62,975.57x = 3,369,202,911.10
  5. Step 5: Solve for x
    x = 3,369,202,911.10/62,975.57
  6. Step 6: Final answer
    x = 53,500.16

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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.