Home / 47,155.12-70,736.36-19,074.04

Finding the Fourth Proportional to 47,155.12, 70,736.36 and 19,074.04

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Solution

The fourth proportional to 47,155.12, 70,736.36 and 19,074.04 is: 28,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,155.12 : 70,736.36 = 19,074.04 : x
  2. Step 2: Convert to fraction form
    47,155.12/70,736.36 = 19,074.04/x
  3. Step 3: Cross multiply
    47,155.12x = 70,736.36 × 19,074.04
  4. Step 4: Simplify right side
    47,155.12x = 1,349,228,160.09
  5. Step 5: Solve for x
    x = 1,349,228,160.09/47,155.12
  6. Step 6: Final answer
    x = 28,612.55

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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.