Home / 85,160.36-127,759.30-26,000.66

Finding the Fourth Proportional to 85,160.36, 127,759.30 and 26,000.66

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Solution

The fourth proportional to 85,160.36, 127,759.30 and 26,000.66 is: 39,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,160.36 : 127,759.30 = 26,000.66 : x
  2. Step 2: Convert to fraction form
    85,160.36/127,759.30 = 26,000.66/x
  3. Step 3: Cross multiply
    85,160.36x = 127,759.30 × 26,000.66
  4. Step 4: Simplify right side
    85,160.36x = 3,321,825,417.34
  5. Step 5: Solve for x
    x = 3,321,825,417.34/85,160.36
  6. Step 6: Final answer
    x = 39,006.71

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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.