Home / 92,850.09-128,132.76-50,408.61

Finding the Fourth Proportional to 92,850.09, 128,132.76 and 50,408.61

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Solution

The fourth proportional to 92,850.09, 128,132.76 and 50,408.61 is: 69,563.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,850.09 : 128,132.76 = 50,408.61 : x
  2. Step 2: Convert to fraction form
    92,850.09/128,132.76 = 50,408.61/x
  3. Step 3: Cross multiply
    92,850.09x = 128,132.76 × 50,408.61
  4. Step 4: Simplify right side
    92,850.09x = 6,458,994,327.06
  5. Step 5: Solve for x
    x = 6,458,994,327.06/92,850.09
  6. Step 6: Final answer
    x = 69,563.68

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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.