Home / 67,521.28-93,184.80-37,309.21

Finding the Fourth Proportional to 67,521.28, 93,184.80 and 37,309.21

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Solution

The fourth proportional to 67,521.28, 93,184.80 and 37,309.21 is: 51,489.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,521.28 : 93,184.80 = 37,309.21 : x
  2. Step 2: Convert to fraction form
    67,521.28/93,184.80 = 37,309.21/x
  3. Step 3: Cross multiply
    67,521.28x = 93,184.80 × 37,309.21
  4. Step 4: Simplify right side
    67,521.28x = 3,476,651,272.01
  5. Step 5: Solve for x
    x = 3,476,651,272.01/67,521.28
  6. Step 6: Final answer
    x = 51,489.71

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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.