Home / 95,140.04-130,994.48-80,770.10

Finding the Fourth Proportional to 95,140.04, 130,994.48 and 80,770.10

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Solution

The fourth proportional to 95,140.04, 130,994.48 and 80,770.10 is: 111,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,140.04 : 130,994.48 = 80,770.10 : x
  2. Step 2: Convert to fraction form
    95,140.04/130,994.48 = 80,770.10/x
  3. Step 3: Cross multiply
    95,140.04x = 130,994.48 × 80,770.10
  4. Step 4: Simplify right side
    95,140.04x = 10,580,436,796.00
  5. Step 5: Solve for x
    x = 10,580,436,796.00/95,140.04
  6. Step 6: Final answer
    x = 111,209.09

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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.