Home / 99,341.44-137,091.18-56,902.70

Finding the Fourth Proportional to 99,341.44, 137,091.18 and 56,902.70

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Solution

The fourth proportional to 99,341.44, 137,091.18 and 56,902.70 is: 78,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,341.44 : 137,091.18 = 56,902.70 : x
  2. Step 2: Convert to fraction form
    99,341.44/137,091.18 = 56,902.70/x
  3. Step 3: Cross multiply
    99,341.44x = 137,091.18 × 56,902.70
  4. Step 4: Simplify right side
    99,341.44x = 7,800,858,844.30
  5. Step 5: Solve for x
    x = 7,800,858,844.30/99,341.44
  6. Step 6: Final answer
    x = 78,525.73

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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.