Home / 99,855.44-137,801.45-56,832.83

Finding the Fourth Proportional to 99,855.44, 137,801.45 and 56,832.83

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Solution

The fourth proportional to 99,855.44, 137,801.45 and 56,832.83 is: 78,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,855.44 : 137,801.45 = 56,832.83 : x
  2. Step 2: Convert to fraction form
    99,855.44/137,801.45 = 56,832.83/x
  3. Step 3: Cross multiply
    99,855.44x = 137,801.45 × 56,832.83
  4. Step 4: Simplify right side
    99,855.44x = 7,831,645,692.60
  5. Step 5: Solve for x
    x = 7,831,645,692.60/99,855.44
  6. Step 6: Final answer
    x = 78,429.83

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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.