Home / 92,778.48-139,124.52-33,611.76

Finding the Fourth Proportional to 92,778.48, 139,124.52 and 33,611.76

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Solution

The fourth proportional to 92,778.48, 139,124.52 and 33,611.76 is: 50,401.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,778.48 : 139,124.52 = 33,611.76 : x
  2. Step 2: Convert to fraction form
    92,778.48/139,124.52 = 33,611.76/x
  3. Step 3: Cross multiply
    92,778.48x = 139,124.52 × 33,611.76
  4. Step 4: Simplify right side
    92,778.48x = 4,676,219,976.36
  5. Step 5: Solve for x
    x = 4,676,219,976.36/92,778.48
  6. Step 6: Final answer
    x = 50,401.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.