Home / 92,834.28-128,111.46-50,392.86

Finding the Fourth Proportional to 92,834.28, 128,111.46 and 50,392.86

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Solution

The fourth proportional to 92,834.28, 128,111.46 and 50,392.86 is: 69,542.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.28 : 128,111.46 = 50,392.86 : x
  2. Step 2: Convert to fraction form
    92,834.28/128,111.46 = 50,392.86/x
  3. Step 3: Cross multiply
    92,834.28x = 128,111.46 × 50,392.86
  4. Step 4: Simplify right side
    92,834.28x = 6,455,902,868.18
  5. Step 5: Solve for x
    x = 6,455,902,868.18/92,834.28
  6. Step 6: Final answer
    x = 69,542.23

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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.