Home / 74,622.02-111,934.11-19,218.02

Finding the Fourth Proportional to 74,622.02, 111,934.11 and 19,218.02

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Solution

The fourth proportional to 74,622.02, 111,934.11 and 19,218.02 is: 28,827.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622.02 : 111,934.11 = 19,218.02 : x
  2. Step 2: Convert to fraction form
    74,622.02/111,934.11 = 19,218.02/x
  3. Step 3: Cross multiply
    74,622.02x = 111,934.11 × 19,218.02
  4. Step 4: Simplify right side
    74,622.02x = 2,151,151,964.66
  5. Step 5: Solve for x
    x = 2,151,151,964.66/74,622.02
  6. Step 6: Final answer
    x = 28,827.31

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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.