Home / 92,611.12-127,803.84-50,169.76

Finding the Fourth Proportional to 92,611.12, 127,803.84 and 50,169.76

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Solution

The fourth proportional to 92,611.12, 127,803.84 and 50,169.76 is: 69,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,611.12 : 127,803.84 = 50,169.76 : x
  2. Step 2: Convert to fraction form
    92,611.12/127,803.84 = 50,169.76/x
  3. Step 3: Cross multiply
    92,611.12x = 127,803.84 × 50,169.76
  4. Step 4: Simplify right side
    92,611.12x = 6,411,887,979.88
  5. Step 5: Solve for x
    x = 6,411,887,979.88/92,611.12
  6. Step 6: Final answer
    x = 69,234.54

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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.