Home / 92,768.42-128,019.84-50,326.04

Finding the Fourth Proportional to 92,768.42, 128,019.84 and 50,326.04

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Solution

The fourth proportional to 92,768.42, 128,019.84 and 50,326.04 is: 69,449.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,768.42 : 128,019.84 = 50,326.04 : x
  2. Step 2: Convert to fraction form
    92,768.42/128,019.84 = 50,326.04/x
  3. Step 3: Cross multiply
    92,768.42x = 128,019.84 × 50,326.04
  4. Step 4: Simplify right side
    92,768.42x = 6,442,731,588.63
  5. Step 5: Solve for x
    x = 6,442,731,588.63/92,768.42
  6. Step 6: Final answer
    x = 69,449.62

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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.