Home / 47,589.12-71,799.21-47,457.90

Finding the Fourth Proportional to 47,589.12, 71,799.21 and 47,457.90

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Solution

The fourth proportional to 47,589.12, 71,799.21 and 47,457.90 is: 71,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,589.12 : 71,799.21 = 47,457.90 : x
  2. Step 2: Convert to fraction form
    47,589.12/71,799.21 = 47,457.90/x
  3. Step 3: Cross multiply
    47,589.12x = 71,799.21 × 47,457.90
  4. Step 4: Simplify right side
    47,589.12x = 3,407,439,728.26
  5. Step 5: Solve for x
    x = 3,407,439,728.26/47,589.12
  6. Step 6: Final answer
    x = 71,601.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.