Home / 67,200.76-92,736.34-36,985.43

Finding the Fourth Proportional to 67,200.76, 92,736.34 and 36,985.43

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Solution

The fourth proportional to 67,200.76, 92,736.34 and 36,985.43 is: 51,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200.76 : 92,736.34 = 36,985.43 : x
  2. Step 2: Convert to fraction form
    67,200.76/92,736.34 = 36,985.43/x
  3. Step 3: Cross multiply
    67,200.76x = 92,736.34 × 36,985.43
  4. Step 4: Simplify right side
    67,200.76x = 3,429,893,628.54
  5. Step 5: Solve for x
    x = 3,429,893,628.54/67,200.76
  6. Step 6: Final answer
    x = 51,039.51

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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.