Home / 74,056.27-111,129.51-26,667.39

Finding the Fourth Proportional to 74,056.27, 111,129.51 and 26,667.39

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Solution

The fourth proportional to 74,056.27, 111,129.51 and 26,667.39 is: 40,017.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,056.27 : 111,129.51 = 26,667.39 : x
  2. Step 2: Convert to fraction form
    74,056.27/111,129.51 = 26,667.39/x
  3. Step 3: Cross multiply
    74,056.27x = 111,129.51 × 26,667.39
  4. Step 4: Simplify right side
    74,056.27x = 2,963,533,983.68
  5. Step 5: Solve for x
    x = 2,963,533,983.68/74,056.27
  6. Step 6: Final answer
    x = 40,017.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.