Home / 61,997.12-85,555.84-33,702.72

Finding the Fourth Proportional to 61,997.12, 85,555.84 and 33,702.72

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Solution

The fourth proportional to 61,997.12, 85,555.84 and 33,702.72 is: 46,509.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,997.12 : 85,555.84 = 33,702.72 : x
  2. Step 2: Convert to fraction form
    61,997.12/85,555.84 = 33,702.72/x
  3. Step 3: Cross multiply
    61,997.12x = 85,555.84 × 33,702.72
  4. Step 4: Simplify right side
    61,997.12x = 2,883,464,519.88
  5. Step 5: Solve for x
    x = 2,883,464,519.88/61,997.12
  6. Step 6: Final answer
    x = 46,509.65

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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.