Home / 92,768.61-128,021.05-50,327.44

Finding the Fourth Proportional to 92,768.61, 128,021.05 and 50,327.44

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Solution

The fourth proportional to 92,768.61, 128,021.05 and 50,327.44 is: 69,452.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.61 : 128,021.05 = 50,327.44 : x
  2. Step 2: Convert to fraction form
    92,768.61/128,021.05 = 50,327.44/x
  3. Step 3: Cross multiply
    92,768.61x = 128,021.05 × 50,327.44
  4. Step 4: Simplify right side
    92,768.61x = 6,442,971,712.61
  5. Step 5: Solve for x
    x = 6,442,971,712.61/92,768.61
  6. Step 6: Final answer
    x = 69,452.07

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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.