Home / 67,319.44-92,901.27-38,631.45

Finding the Fourth Proportional to 67,319.44, 92,901.27 and 38,631.45

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Solution

The fourth proportional to 67,319.44, 92,901.27 and 38,631.45 is: 53,311.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,319.44 : 92,901.27 = 38,631.45 : x
  2. Step 2: Convert to fraction form
    67,319.44/92,901.27 = 38,631.45/x
  3. Step 3: Cross multiply
    67,319.44x = 92,901.27 × 38,631.45
  4. Step 4: Simplify right side
    67,319.44x = 3,588,910,766.94
  5. Step 5: Solve for x
    x = 3,588,910,766.94/67,319.44
  6. Step 6: Final answer
    x = 53,311.66

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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.