Home / 92,849.85-128,132.40-50,408.37

Finding the Fourth Proportional to 92,849.85, 128,132.40 and 50,408.37

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Solution

The fourth proportional to 92,849.85, 128,132.40 and 50,408.37 is: 69,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,849.85 : 128,132.40 = 50,408.37 : x
  2. Step 2: Convert to fraction form
    92,849.85/128,132.40 = 50,408.37/x
  3. Step 3: Cross multiply
    92,849.85x = 128,132.40 × 50,408.37
  4. Step 4: Simplify right side
    92,849.85x = 6,458,945,428.19
  5. Step 5: Solve for x
    x = 6,458,945,428.19/92,849.85
  6. Step 6: Final answer
    x = 69,563.34

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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.