Home / 92,689.18-127,911.35-50,247.74

Finding the Fourth Proportional to 92,689.18, 127,911.35 and 50,247.74

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Solution

The fourth proportional to 92,689.18, 127,911.35 and 50,247.74 is: 69,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,689.18 : 127,911.35 = 50,247.74 : x
  2. Step 2: Convert to fraction form
    92,689.18/127,911.35 = 50,247.74/x
  3. Step 3: Cross multiply
    92,689.18x = 127,911.35 × 50,247.74
  4. Step 4: Simplify right side
    92,689.18x = 6,427,256,257.85
  5. Step 5: Solve for x
    x = 6,427,256,257.85/92,689.18
  6. Step 6: Final answer
    x = 69,342.03

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Double scale
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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.