Home / 75,921.36-113,619.60-47,448.24

Finding the Fourth Proportional to 75,921.36, 113,619.60 and 47,448.24

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Solution

The fourth proportional to 75,921.36, 113,619.60 and 47,448.24 is: 71,008.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,921.36 : 113,619.60 = 47,448.24 : x
  2. Step 2: Convert to fraction form
    75,921.36/113,619.60 = 47,448.24/x
  3. Step 3: Cross multiply
    75,921.36x = 113,619.60 × 47,448.24
  4. Step 4: Simplify right side
    75,921.36x = 5,391,050,049.50
  5. Step 5: Solve for x
    x = 5,391,050,049.50/75,921.36
  6. Step 6: Final answer
    x = 71,008.34

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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.