Home / 73,683.04-110,492.10-21,080.56

Finding the Fourth Proportional to 73,683.04, 110,492.10 and 21,080.56

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Solution

The fourth proportional to 73,683.04, 110,492.10 and 21,080.56 is: 31,611.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,683.04 : 110,492.10 = 21,080.56 : x
  2. Step 2: Convert to fraction form
    73,683.04/110,492.10 = 21,080.56/x
  3. Step 3: Cross multiply
    73,683.04x = 110,492.10 × 21,080.56
  4. Step 4: Simplify right side
    73,683.04x = 2,329,235,343.58
  5. Step 5: Solve for x
    x = 2,329,235,343.58/73,683.04
  6. Step 6: Final answer
    x = 31,611.55

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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.