Home / 62,135.12-85,745.04-33,840.20

Finding the Fourth Proportional to 62,135.12, 85,745.04 and 33,840.20

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Solution

The fourth proportional to 62,135.12, 85,745.04 and 33,840.20 is: 46,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,135.12 : 85,745.04 = 33,840.20 : x
  2. Step 2: Convert to fraction form
    62,135.12/85,745.04 = 33,840.20/x
  3. Step 3: Cross multiply
    62,135.12x = 85,745.04 × 33,840.20
  4. Step 4: Simplify right side
    62,135.12x = 2,901,629,302.61
  5. Step 5: Solve for x
    x = 2,901,629,302.61/62,135.12
  6. Step 6: Final answer
    x = 46,698.70

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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.