Home / 83,400.03-115,087.63-47,593.37

Finding the Fourth Proportional to 83,400.03, 115,087.63 and 47,593.37

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Solution

The fourth proportional to 83,400.03, 115,087.63 and 47,593.37 is: 65,676.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,400.03 : 115,087.63 = 47,593.37 : x
  2. Step 2: Convert to fraction form
    83,400.03/115,087.63 = 47,593.37/x
  3. Step 3: Cross multiply
    83,400.03x = 115,087.63 × 47,593.37
  4. Step 4: Simplify right side
    83,400.03x = 5,477,408,157.01
  5. Step 5: Solve for x
    x = 5,477,408,157.01/83,400.03
  6. Step 6: Final answer
    x = 65,676.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.