Home / 71,268.77-106,690.18-43,103.63

Finding the Fourth Proportional to 71,268.77, 106,690.18 and 43,103.63

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Solution

The fourth proportional to 71,268.77, 106,690.18 and 43,103.63 is: 64,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,268.77 : 106,690.18 = 43,103.63 : x
  2. Step 2: Convert to fraction form
    71,268.77/106,690.18 = 43,103.63/x
  3. Step 3: Cross multiply
    71,268.77x = 106,690.18 × 43,103.63
  4. Step 4: Simplify right side
    71,268.77x = 4,598,734,043.35
  5. Step 5: Solve for x
    x = 4,598,734,043.35/71,268.77
  6. Step 6: Final answer
    x = 64,526.64

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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.