Home / 61,855.10-85,360.04-33,560.78

Finding the Fourth Proportional to 61,855.10, 85,360.04 and 33,560.78

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Solution

The fourth proportional to 61,855.10, 85,360.04 and 33,560.78 is: 46,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,855.10 : 85,360.04 = 33,560.78 : x
  2. Step 2: Convert to fraction form
    61,855.10/85,360.04 = 33,560.78/x
  3. Step 3: Cross multiply
    61,855.10x = 85,360.04 × 33,560.78
  4. Step 4: Simplify right side
    61,855.10x = 2,864,749,523.23
  5. Step 5: Solve for x
    x = 2,864,749,523.23/61,855.10
  6. Step 6: Final answer
    x = 46,313.88

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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.