Home / 85,332.20-127,999.26-26,168.36

Finding the Fourth Proportional to 85,332.20, 127,999.26 and 26,168.36

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Solution

The fourth proportional to 85,332.20, 127,999.26 and 26,168.36 is: 39,252.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,332.20 : 127,999.26 = 26,168.36 : x
  2. Step 2: Convert to fraction form
    85,332.20/127,999.26 = 26,168.36/x
  3. Step 3: Cross multiply
    85,332.20x = 127,999.26 × 26,168.36
  4. Step 4: Simplify right side
    85,332.20x = 3,349,530,715.41
  5. Step 5: Solve for x
    x = 3,349,530,715.41/85,332.20
  6. Step 6: Final answer
    x = 39,252.83

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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.