Home / 79,069.02-109,116.06-43,258.26

Finding the Fourth Proportional to 79,069.02, 109,116.06 and 43,258.26

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Solution

The fourth proportional to 79,069.02, 109,116.06 and 43,258.26 is: 59,696.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,069.02 : 109,116.06 = 43,258.26 : x
  2. Step 2: Convert to fraction form
    79,069.02/109,116.06 = 43,258.26/x
  3. Step 3: Cross multiply
    79,069.02x = 109,116.06 × 43,258.26
  4. Step 4: Simplify right side
    79,069.02x = 4,720,170,893.66
  5. Step 5: Solve for x
    x = 4,720,170,893.66/79,069.02
  6. Step 6: Final answer
    x = 59,696.84

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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.