Home / 92,829.02-128,104.61-50,387.85

Finding the Fourth Proportional to 92,829.02, 128,104.61 and 50,387.85

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Solution

The fourth proportional to 92,829.02, 128,104.61 and 50,387.85 is: 69,535.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.02 : 128,104.61 = 50,387.85 : x
  2. Step 2: Convert to fraction form
    92,829.02/128,104.61 = 50,387.85/x
  3. Step 3: Cross multiply
    92,829.02x = 128,104.61 × 50,387.85
  4. Step 4: Simplify right side
    92,829.02x = 6,454,915,621.05
  5. Step 5: Solve for x
    x = 6,454,915,621.05/92,829.02
  6. Step 6: Final answer
    x = 69,535.54

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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.