Home / 85,141.06-127,711.62-35,166.23

Finding the Fourth Proportional to 85,141.06, 127,711.62 and 35,166.23

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Solution

The fourth proportional to 85,141.06, 127,711.62 and 35,166.23 is: 52,749.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141.06 : 127,711.62 = 35,166.23 : x
  2. Step 2: Convert to fraction form
    85,141.06/127,711.62 = 35,166.23/x
  3. Step 3: Cross multiply
    85,141.06x = 127,711.62 × 35,166.23
  4. Step 4: Simplify right side
    85,141.06x = 4,491,136,521.87
  5. Step 5: Solve for x
    x = 4,491,136,521.87/85,141.06
  6. Step 6: Final answer
    x = 52,749.36

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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.