Home / 47,171.12-70,759.22-12,111.08

Finding the Fourth Proportional to 47,171.12, 70,759.22 and 12,111.08

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Solution

The fourth proportional to 47,171.12, 70,759.22 and 12,111.08 is: 18,167.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,171.12 : 70,759.22 = 12,111.08 : x
  2. Step 2: Convert to fraction form
    47,171.12/70,759.22 = 12,111.08/x
  3. Step 3: Cross multiply
    47,171.12x = 70,759.22 × 12,111.08
  4. Step 4: Simplify right side
    47,171.12x = 856,970,574.16
  5. Step 5: Solve for x
    x = 856,970,574.16/47,171.12
  6. Step 6: Final answer
    x = 18,167.27

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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.