Home / 61,621.12-85,037.20-33,326.81

Finding the Fourth Proportional to 61,621.12, 85,037.20 and 33,326.81

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Solution

The fourth proportional to 61,621.12, 85,037.20 and 33,326.81 is: 45,991.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,621.12 : 85,037.20 = 33,326.81 : x
  2. Step 2: Convert to fraction form
    61,621.12/85,037.20 = 33,326.81/x
  3. Step 3: Cross multiply
    61,621.12x = 85,037.20 × 33,326.81
  4. Step 4: Simplify right side
    61,621.12x = 2,834,018,607.33
  5. Step 5: Solve for x
    x = 2,834,018,607.33/61,621.12
  6. Step 6: Final answer
    x = 45,991.03

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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.