Home / 69,015.10-103,486.20-29,527.60

Finding the Fourth Proportional to 69,015.10, 103,486.20 and 29,527.60

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Solution

The fourth proportional to 69,015.10, 103,486.20 and 29,527.60 is: 44,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,015.10 : 103,486.20 = 29,527.60 : x
  2. Step 2: Convert to fraction form
    69,015.10/103,486.20 = 29,527.60/x
  3. Step 3: Cross multiply
    69,015.10x = 103,486.20 × 29,527.60
  4. Step 4: Simplify right side
    69,015.10x = 3,055,699,119.12
  5. Step 5: Solve for x
    x = 3,055,699,119.12/69,015.10
  6. Step 6: Final answer
    x = 44,275.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.