Home / 74,206.74-111,308.54-18,047.15

Finding the Fourth Proportional to 74,206.74, 111,308.54 and 18,047.15

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Solution

The fourth proportional to 74,206.74, 111,308.54 and 18,047.15 is: 27,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206.74 : 111,308.54 = 18,047.15 : x
  2. Step 2: Convert to fraction form
    74,206.74/111,308.54 = 18,047.15/x
  3. Step 3: Cross multiply
    74,206.74x = 111,308.54 × 18,047.15
  4. Step 4: Simplify right side
    74,206.74x = 2,008,801,917.66
  5. Step 5: Solve for x
    x = 2,008,801,917.66/74,206.74
  6. Step 6: Final answer
    x = 27,070.34

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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.