Home / 73,008.30-109,512.45-49,680.30

Finding the Fourth Proportional to 73,008.30, 109,512.45 and 49,680.30

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Solution

The fourth proportional to 73,008.30, 109,512.45 and 49,680.30 is: 74,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,008.30 : 109,512.45 = 49,680.30 : x
  2. Step 2: Convert to fraction form
    73,008.30/109,512.45 = 49,680.30/x
  3. Step 3: Cross multiply
    73,008.30x = 109,512.45 × 49,680.30
  4. Step 4: Simplify right side
    73,008.30x = 5,440,611,369.74
  5. Step 5: Solve for x
    x = 5,440,611,369.74/73,008.30
  6. Step 6: Final answer
    x = 74,520.45

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1.5x scale

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.