Home / 61,621.12-85,037.84-33,327.36

Finding the Fourth Proportional to 61,621.12, 85,037.84 and 33,327.36

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Solution

The fourth proportional to 61,621.12, 85,037.84 and 33,327.36 is: 45,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,621.12 : 85,037.84 = 33,327.36 : x
  2. Step 2: Convert to fraction form
    61,621.12/85,037.84 = 33,327.36/x
  3. Step 3: Cross multiply
    61,621.12x = 85,037.84 × 33,327.36
  4. Step 4: Simplify right side
    61,621.12x = 2,834,086,707.30
  5. Step 5: Solve for x
    x = 2,834,086,707.30/61,621.12
  6. Step 6: Final answer
    x = 45,992.13

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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.