Home / 92,804.13-128,069.78-50,362.66

Finding the Fourth Proportional to 92,804.13, 128,069.78 and 50,362.66

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Solution

The fourth proportional to 92,804.13, 128,069.78 and 50,362.66 is: 69,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,804.13 : 128,069.78 = 50,362.66 : x
  2. Step 2: Convert to fraction form
    92,804.13/128,069.78 = 50,362.66/x
  3. Step 3: Cross multiply
    92,804.13x = 128,069.78 × 50,362.66
  4. Step 4: Simplify right side
    92,804.13x = 6,449,934,786.41
  5. Step 5: Solve for x
    x = 6,449,934,786.41/92,804.13
  6. Step 6: Final answer
    x = 69,500.51

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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.