Home / 85,280.92-127,921.68-26,116.34

Finding the Fourth Proportional to 85,280.92, 127,921.68 and 26,116.34

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Solution

The fourth proportional to 85,280.92, 127,921.68 and 26,116.34 is: 39,174.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,280.92 : 127,921.68 = 26,116.34 : x
  2. Step 2: Convert to fraction form
    85,280.92/127,921.68 = 26,116.34/x
  3. Step 3: Cross multiply
    85,280.92x = 127,921.68 × 26,116.34
  4. Step 4: Simplify right side
    85,280.92x = 3,340,846,088.25
  5. Step 5: Solve for x
    x = 3,340,846,088.25/85,280.92
  6. Step 6: Final answer
    x = 39,174.60

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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.