Home / 73,170.02-109,099.28-71,841.44

Finding the Fourth Proportional to 73,170.02, 109,099.28 and 71,841.44

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Solution

The fourth proportional to 73,170.02, 109,099.28 and 71,841.44 is: 107,118.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,170.02 : 109,099.28 = 71,841.44 : x
  2. Step 2: Convert to fraction form
    73,170.02/109,099.28 = 71,841.44/x
  3. Step 3: Cross multiply
    73,170.02x = 109,099.28 × 71,841.44
  4. Step 4: Simplify right side
    73,170.02x = 7,837,849,378.16
  5. Step 5: Solve for x
    x = 7,837,849,378.16/73,170.02
  6. Step 6: Final answer
    x = 107,118.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.