Home / 48,756.55-67,315.31-39,825.49

Finding the Fourth Proportional to 48,756.55, 67,315.31 and 39,825.49

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Solution

The fourth proportional to 48,756.55, 67,315.31 and 39,825.49 is: 54,984.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.55 : 67,315.31 = 39,825.49 : x
  2. Step 2: Convert to fraction form
    48,756.55/67,315.31 = 39,825.49/x
  3. Step 3: Cross multiply
    48,756.55x = 67,315.31 × 39,825.49
  4. Step 4: Simplify right side
    48,756.55x = 2,680,865,205.25
  5. Step 5: Solve for x
    x = 2,680,865,205.25/48,756.55
  6. Step 6: Final answer
    x = 54,984.72

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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.