Home / 67,986.88-93,821.28-37,772.24

Finding the Fourth Proportional to 67,986.88, 93,821.28 and 37,772.24

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Solution

The fourth proportional to 67,986.88, 93,821.28 and 37,772.24 is: 52,125.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,986.88 : 93,821.28 = 37,772.24 : x
  2. Step 2: Convert to fraction form
    67,986.88/93,821.28 = 37,772.24/x
  3. Step 3: Cross multiply
    67,986.88x = 93,821.28 × 37,772.24
  4. Step 4: Simplify right side
    67,986.88x = 3,543,839,905.27
  5. Step 5: Solve for x
    x = 3,543,839,905.27/67,986.88
  6. Step 6: Final answer
    x = 52,125.35

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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.