Home / 92,821.86-128,094.18-50,380.38

Finding the Fourth Proportional to 92,821.86, 128,094.18 and 50,380.38

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Solution

The fourth proportional to 92,821.86, 128,094.18 and 50,380.38 is: 69,524.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,821.86 : 128,094.18 = 50,380.38 : x
  2. Step 2: Convert to fraction form
    92,821.86/128,094.18 = 50,380.38/x
  3. Step 3: Cross multiply
    92,821.86x = 128,094.18 × 50,380.38
  4. Step 4: Simplify right side
    92,821.86x = 6,453,433,464.19
  5. Step 5: Solve for x
    x = 6,453,433,464.19/92,821.86
  6. Step 6: Final answer
    x = 69,524.93

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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.