Home / 79,010.06-109,035.60-47,173.02

Finding the Fourth Proportional to 79,010.06, 109,035.60 and 47,173.02

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Solution

The fourth proportional to 79,010.06, 109,035.60 and 47,173.02 is: 65,099.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,010.06 : 109,035.60 = 47,173.02 : x
  2. Step 2: Convert to fraction form
    79,010.06/109,035.60 = 47,173.02/x
  3. Step 3: Cross multiply
    79,010.06x = 109,035.60 × 47,173.02
  4. Step 4: Simplify right side
    79,010.06x = 5,143,538,539.51
  5. Step 5: Solve for x
    x = 5,143,538,539.51/79,010.06
  6. Step 6: Final answer
    x = 65,099.79

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1.5x scale

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.