Home / 85,013.18-127,515.14-25,844.23

Finding the Fourth Proportional to 85,013.18, 127,515.14 and 25,844.23

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Solution

The fourth proportional to 85,013.18, 127,515.14 and 25,844.23 is: 38,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,013.18 : 127,515.14 = 25,844.23 : x
  2. Step 2: Convert to fraction form
    85,013.18/127,515.14 = 25,844.23/x
  3. Step 3: Cross multiply
    85,013.18x = 127,515.14 × 25,844.23
  4. Step 4: Simplify right side
    85,013.18x = 3,295,529,839.85
  5. Step 5: Solve for x
    x = 3,295,529,839.85/85,013.18
  6. Step 6: Final answer
    x = 38,764.93

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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.