Home / 85,114.24-127,729.44-29,710.24

Finding the Fourth Proportional to 85,114.24, 127,729.44 and 29,710.24

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Solution

The fourth proportional to 85,114.24, 127,729.44 and 29,710.24 is: 44,585.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,114.24 : 127,729.44 = 29,710.24 : x
  2. Step 2: Convert to fraction form
    85,114.24/127,729.44 = 29,710.24/x
  3. Step 3: Cross multiply
    85,114.24x = 127,729.44 × 29,710.24
  4. Step 4: Simplify right side
    85,114.24x = 3,794,872,317.47
  5. Step 5: Solve for x
    x = 3,794,872,317.47/85,114.24
  6. Step 6: Final answer
    x = 44,585.63

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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.