Home / 74,297.02-111,445.14-18,137.42

Finding the Fourth Proportional to 74,297.02, 111,445.14 and 18,137.42

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Solution

The fourth proportional to 74,297.02, 111,445.14 and 18,137.42 is: 27,206.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,297.02 : 111,445.14 = 18,137.42 : x
  2. Step 2: Convert to fraction form
    74,297.02/111,445.14 = 18,137.42/x
  3. Step 3: Cross multiply
    74,297.02x = 111,445.14 × 18,137.42
  4. Step 4: Simplify right side
    74,297.02x = 2,021,327,521.74
  5. Step 5: Solve for x
    x = 2,021,327,521.74/74,297.02
  6. Step 6: Final answer
    x = 27,206.04

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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.