Home / 92,997.86-128,337.96-50,557.30

Finding the Fourth Proportional to 92,997.86, 128,337.96 and 50,557.30

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Solution

The fourth proportional to 92,997.86, 128,337.96 and 50,557.30 is: 69,769.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,997.86 : 128,337.96 = 50,557.30 : x
  2. Step 2: Convert to fraction form
    92,997.86/128,337.96 = 50,557.30/x
  3. Step 3: Cross multiply
    92,997.86x = 128,337.96 × 50,557.30
  4. Step 4: Simplify right side
    92,997.86x = 6,488,420,745.11
  5. Step 5: Solve for x
    x = 6,488,420,745.11/92,997.86
  6. Step 6: Final answer
    x = 69,769.57

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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.