Home / 70,268.01-105,233.12-40,191.10

Finding the Fourth Proportional to 70,268.01, 105,233.12 and 40,191.10

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Solution

The fourth proportional to 70,268.01, 105,233.12 and 40,191.10 is: 60,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,268.01 : 105,233.12 = 40,191.10 : x
  2. Step 2: Convert to fraction form
    70,268.01/105,233.12 = 40,191.10/x
  3. Step 3: Cross multiply
    70,268.01x = 105,233.12 × 40,191.10
  4. Step 4: Simplify right side
    70,268.01x = 4,229,434,535.91
  5. Step 5: Solve for x
    x = 4,229,434,535.91/70,268.01
  6. Step 6: Final answer
    x = 60,190.05

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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.