Home / 115,840.11-173,774.48-40,944.81

Finding the Fourth Proportional to 115,840.11, 173,774.48 and 40,944.81

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Solution

The fourth proportional to 115,840.11, 173,774.48 and 40,944.81 is: 61,422.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,840.11 : 173,774.48 = 40,944.81 : x
  2. Step 2: Convert to fraction form
    115,840.11/173,774.48 = 40,944.81/x
  3. Step 3: Cross multiply
    115,840.11x = 173,774.48 × 40,944.81
  4. Step 4: Simplify right side
    115,840.11x = 7,115,163,743.69
  5. Step 5: Solve for x
    x = 7,115,163,743.69/115,840.11
  6. Step 6: Final answer
    x = 61,422.28

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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.