Home / 67,180.67-92,711.53-38,505.77

Finding the Fourth Proportional to 67,180.67, 92,711.53 and 38,505.77

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Solution

The fourth proportional to 67,180.67, 92,711.53 and 38,505.77 is: 53,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,180.67 : 92,711.53 = 38,505.77 : x
  2. Step 2: Convert to fraction form
    67,180.67/92,711.53 = 38,505.77/x
  3. Step 3: Cross multiply
    67,180.67x = 92,711.53 × 38,505.77
  4. Step 4: Simplify right side
    67,180.67x = 3,569,928,850.53
  5. Step 5: Solve for x
    x = 3,569,928,850.53/67,180.67
  6. Step 6: Final answer
    x = 53,139.23

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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.