Home / 92,814.39-128,083.28-50,372.01

Finding the Fourth Proportional to 92,814.39, 128,083.28 and 50,372.01

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Solution

The fourth proportional to 92,814.39, 128,083.28 and 50,372.01 is: 69,513.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,814.39 : 128,083.28 = 50,372.01 : x
  2. Step 2: Convert to fraction form
    92,814.39/128,083.28 = 50,372.01/x
  3. Step 3: Cross multiply
    92,814.39x = 128,083.28 × 50,372.01
  4. Step 4: Simplify right side
    92,814.39x = 6,451,812,009.13
  5. Step 5: Solve for x
    x = 6,451,812,009.13/92,814.39
  6. Step 6: Final answer
    x = 69,513.06

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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.