Home / 92,105.20-127,105.02-51,818.98

Finding the Fourth Proportional to 92,105.20, 127,105.02 and 51,818.98

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Solution

The fourth proportional to 92,105.20, 127,105.02 and 51,818.98 is: 71,510.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,105.20 : 127,105.02 = 51,818.98 : x
  2. Step 2: Convert to fraction form
    92,105.20/127,105.02 = 51,818.98/x
  3. Step 3: Cross multiply
    92,105.20x = 127,105.02 × 51,818.98
  4. Step 4: Simplify right side
    92,105.20x = 6,586,452,489.28
  5. Step 5: Solve for x
    x = 6,586,452,489.28/92,105.20
  6. Step 6: Final answer
    x = 71,510.10

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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.