Home / 115,866.60-173,799.90-36,986.60

Finding the Fourth Proportional to 115,866.60, 173,799.90 and 36,986.60

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Solution

The fourth proportional to 115,866.60, 173,799.90 and 36,986.60 is: 55,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,866.60 : 173,799.90 = 36,986.60 : x
  2. Step 2: Convert to fraction form
    115,866.60/173,799.90 = 36,986.60/x
  3. Step 3: Cross multiply
    115,866.60x = 173,799.90 × 36,986.60
  4. Step 4: Simplify right side
    115,866.60x = 6,428,267,381.34
  5. Step 5: Solve for x
    x = 6,428,267,381.34/115,866.60
  6. Step 6: Final answer
    x = 55,479.90

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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.