Home / 92,849.66-128,133.15-50,408.42

Finding the Fourth Proportional to 92,849.66, 128,133.15 and 50,408.42

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Solution

The fourth proportional to 92,849.66, 128,133.15 and 50,408.42 is: 69,563.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,849.66 : 128,133.15 = 50,408.42 : x
  2. Step 2: Convert to fraction form
    92,849.66/128,133.15 = 50,408.42/x
  3. Step 3: Cross multiply
    92,849.66x = 128,133.15 × 50,408.42
  4. Step 4: Simplify right side
    92,849.66x = 6,458,989,641.12
  5. Step 5: Solve for x
    x = 6,458,989,641.12/92,849.66
  6. Step 6: Final answer
    x = 69,563.96

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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.