Home / 92,907.38-128,214.96-50,468.78

Finding the Fourth Proportional to 92,907.38, 128,214.96 and 50,468.78

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Solution

The fourth proportional to 92,907.38, 128,214.96 and 50,468.78 is: 69,648.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,907.38 : 128,214.96 = 50,468.78 : x
  2. Step 2: Convert to fraction form
    92,907.38/128,214.96 = 50,468.78/x
  3. Step 3: Cross multiply
    92,907.38x = 128,214.96 × 50,468.78
  4. Step 4: Simplify right side
    92,907.38x = 6,470,852,608.95
  5. Step 5: Solve for x
    x = 6,470,852,608.95/92,907.38
  6. Step 6: Final answer
    x = 69,648.42

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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.