Home / 115,772.37-173,679.21-40,935.96

Finding the Fourth Proportional to 115,772.37, 173,679.21 and 40,935.96

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Solution

The fourth proportional to 115,772.37, 173,679.21 and 40,935.96 is: 61,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,772.37 : 173,679.21 = 40,935.96 : x
  2. Step 2: Convert to fraction form
    115,772.37/173,679.21 = 40,935.96/x
  3. Step 3: Cross multiply
    115,772.37x = 173,679.21 × 40,935.96
  4. Step 4: Simplify right side
    115,772.37x = 7,109,725,193.39
  5. Step 5: Solve for x
    x = 7,109,725,193.39/115,772.37
  6. Step 6: Final answer
    x = 61,411.24

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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.