Home / 71,659.20-107,537.40-46,638.30

Finding the Fourth Proportional to 71,659.20, 107,537.40 and 46,638.30

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Solution

The fourth proportional to 71,659.20, 107,537.40 and 46,638.30 is: 69,989.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,659.20 : 107,537.40 = 46,638.30 : x
  2. Step 2: Convert to fraction form
    71,659.20/107,537.40 = 46,638.30/x
  3. Step 3: Cross multiply
    71,659.20x = 107,537.40 × 46,638.30
  4. Step 4: Simplify right side
    71,659.20x = 5,015,361,522.42
  5. Step 5: Solve for x
    x = 5,015,361,522.42/71,659.20
  6. Step 6: Final answer
    x = 69,989.08

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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.