Home / 79,782.22-110,100.14-43,972.32

Finding the Fourth Proportional to 79,782.22, 110,100.14 and 43,972.32

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Solution

The fourth proportional to 79,782.22, 110,100.14 and 43,972.32 is: 60,682.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,782.22 : 110,100.14 = 43,972.32 : x
  2. Step 2: Convert to fraction form
    79,782.22/110,100.14 = 43,972.32/x
  3. Step 3: Cross multiply
    79,782.22x = 110,100.14 × 43,972.32
  4. Step 4: Simplify right side
    79,782.22x = 4,841,358,588.12
  5. Step 5: Solve for x
    x = 4,841,358,588.12/79,782.22
  6. Step 6: Final answer
    x = 60,682.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.