Home / 73,043.42-109,627.30-28,701.18

Finding the Fourth Proportional to 73,043.42, 109,627.30 and 28,701.18

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Solution

The fourth proportional to 73,043.42, 109,627.30 and 28,701.18 is: 43,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,043.42 : 109,627.30 = 28,701.18 : x
  2. Step 2: Convert to fraction form
    73,043.42/109,627.30 = 28,701.18/x
  3. Step 3: Cross multiply
    73,043.42x = 109,627.30 × 28,701.18
  4. Step 4: Simplify right side
    73,043.42x = 3,146,432,870.21
  5. Step 5: Solve for x
    x = 3,146,432,870.21/73,043.42
  6. Step 6: Final answer
    x = 43,076.20

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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.