Home / 67,721.16-93,452.64-37,507.76

Finding the Fourth Proportional to 67,721.16, 93,452.64 and 37,507.76

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Solution

The fourth proportional to 67,721.16, 93,452.64 and 37,507.76 is: 51,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,721.16 : 93,452.64 = 37,507.76 : x
  2. Step 2: Convert to fraction form
    67,721.16/93,452.64 = 37,507.76/x
  3. Step 3: Cross multiply
    67,721.16x = 93,452.64 × 37,507.76
  4. Step 4: Simplify right side
    67,721.16x = 3,505,198,935.02
  5. Step 5: Solve for x
    x = 3,505,198,935.02/67,721.16
  6. Step 6: Final answer
    x = 51,759.28

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1.5x scale

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.