Home / 115,602.49-173,406.81-40,705.60

Finding the Fourth Proportional to 115,602.49, 173,406.81 and 40,705.60

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Solution

The fourth proportional to 115,602.49, 173,406.81 and 40,705.60 is: 61,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,602.49 : 173,406.81 = 40,705.60 : x
  2. Step 2: Convert to fraction form
    115,602.49/173,406.81 = 40,705.60/x
  3. Step 3: Cross multiply
    115,602.49x = 173,406.81 × 40,705.60
  4. Step 4: Simplify right side
    115,602.49x = 7,058,627,174.57
  5. Step 5: Solve for x
    x = 7,058,627,174.57/115,602.49
  6. Step 6: Final answer
    x = 61,059.48

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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.