Home / 64,845.81-97,278.78-27,406.05

Finding the Fourth Proportional to 64,845.81, 97,278.78 and 27,406.05

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Solution

The fourth proportional to 64,845.81, 97,278.78 and 27,406.05 is: 41,113.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,845.81 : 97,278.78 = 27,406.05 : x
  2. Step 2: Convert to fraction form
    64,845.81/97,278.78 = 27,406.05/x
  3. Step 3: Cross multiply
    64,845.81x = 97,278.78 × 27,406.05
  4. Step 4: Simplify right side
    64,845.81x = 2,666,027,108.62
  5. Step 5: Solve for x
    x = 2,666,027,108.62/64,845.81
  6. Step 6: Final answer
    x = 41,113.33

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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.