Home / 79,485.54-109,690.02-43,675.50

Finding the Fourth Proportional to 79,485.54, 109,690.02 and 43,675.50

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Solution

The fourth proportional to 79,485.54, 109,690.02 and 43,675.50 is: 60,272.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,485.54 : 109,690.02 = 43,675.50 : x
  2. Step 2: Convert to fraction form
    79,485.54/109,690.02 = 43,675.50/x
  3. Step 3: Cross multiply
    79,485.54x = 109,690.02 × 43,675.50
  4. Step 4: Simplify right side
    79,485.54x = 4,790,766,468.51
  5. Step 5: Solve for x
    x = 4,790,766,468.51/79,485.54
  6. Step 6: Final answer
    x = 60,272.18

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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.