Home / 124,513.40-186,656.70-45,608.60

Finding the Fourth Proportional to 124,513.40, 186,656.70 and 45,608.60

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Solution

The fourth proportional to 124,513.40, 186,656.70 and 45,608.60 is: 68,371.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,513.40 : 186,656.70 = 45,608.60 : x
  2. Step 2: Convert to fraction form
    124,513.40/186,656.70 = 45,608.60/x
  3. Step 3: Cross multiply
    124,513.40x = 186,656.70 × 45,608.60
  4. Step 4: Simplify right side
    124,513.40x = 8,513,150,767.62
  5. Step 5: Solve for x
    x = 8,513,150,767.62/124,513.40
  6. Step 6: Final answer
    x = 68,371.36

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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.