Home / 74,739.12-112,109.08-22,149.06

Finding the Fourth Proportional to 74,739.12, 112,109.08 and 22,149.06

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Solution

The fourth proportional to 74,739.12, 112,109.08 and 22,149.06 is: 33,223.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.12 : 112,109.08 = 22,149.06 : x
  2. Step 2: Convert to fraction form
    74,739.12/112,109.08 = 22,149.06/x
  3. Step 3: Cross multiply
    74,739.12x = 112,109.08 × 22,149.06
  4. Step 4: Simplify right side
    74,739.12x = 2,483,110,739.46
  5. Step 5: Solve for x
    x = 2,483,110,739.46/74,739.12
  6. Step 6: Final answer
    x = 33,223.71

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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.