Home / 47,135.08-65,040.12-29,223.58

Finding the Fourth Proportional to 47,135.08, 65,040.12 and 29,223.58

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Solution

The fourth proportional to 47,135.08, 65,040.12 and 29,223.58 is: 40,324.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.08 : 65,040.12 = 29,223.58 : x
  2. Step 2: Convert to fraction form
    47,135.08/65,040.12 = 29,223.58/x
  3. Step 3: Cross multiply
    47,135.08x = 65,040.12 × 29,223.58
  4. Step 4: Simplify right side
    47,135.08x = 1,900,705,150.03
  5. Step 5: Solve for x
    x = 1,900,705,150.03/47,135.08
  6. Step 6: Final answer
    x = 40,324.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.