Home / 72,112.07-108,181.78-29,969.27

Finding the Fourth Proportional to 72,112.07, 108,181.78 and 29,969.27

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Solution

The fourth proportional to 72,112.07, 108,181.78 and 29,969.27 is: 44,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,112.07 : 108,181.78 = 29,969.27 : x
  2. Step 2: Convert to fraction form
    72,112.07/108,181.78 = 29,969.27/x
  3. Step 3: Cross multiply
    72,112.07x = 108,181.78 × 29,969.27
  4. Step 4: Simplify right side
    72,112.07x = 3,242,128,459.49
  5. Step 5: Solve for x
    x = 3,242,128,459.49/72,112.07
  6. Step 6: Final answer
    x = 44,959.58

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1.5x scale

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.