Home / 75,768.37-113,685.33-40,667.02

Finding the Fourth Proportional to 75,768.37, 113,685.33 and 40,667.02

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Solution

The fourth proportional to 75,768.37, 113,685.33 and 40,667.02 is: 61,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.37 : 113,685.33 = 40,667.02 : x
  2. Step 2: Convert to fraction form
    75,768.37/113,685.33 = 40,667.02/x
  3. Step 3: Cross multiply
    75,768.37x = 113,685.33 × 40,667.02
  4. Step 4: Simplify right side
    75,768.37x = 4,623,243,588.82
  5. Step 5: Solve for x
    x = 4,623,243,588.82/75,768.37
  6. Step 6: Final answer
    x = 61,018.12

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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.