Home / 95,069.10-131,424.75-72,518.70

Finding the Fourth Proportional to 95,069.10, 131,424.75 and 72,518.70

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Solution

The fourth proportional to 95,069.10, 131,424.75 and 72,518.70 is: 100,250.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,069.10 : 131,424.75 = 72,518.70 : x
  2. Step 2: Convert to fraction form
    95,069.10/131,424.75 = 72,518.70/x
  3. Step 3: Cross multiply
    95,069.10x = 131,424.75 × 72,518.70
  4. Step 4: Simplify right side
    95,069.10x = 9,530,752,017.83
  5. Step 5: Solve for x
    x = 9,530,752,017.83/95,069.10
  6. Step 6: Final answer
    x = 100,250.79

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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.