Home / 73,899.72-102,015.18-47,079

Finding the Fourth Proportional to 73,899.72, 102,015.18 and 47,079

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Solution

The fourth proportional to 73,899.72, 102,015.18 and 47,079 is: 64,990.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,899.72 : 102,015.18 = 47,079 : x
  2. Step 2: Convert to fraction form
    73,899.72/102,015.18 = 47,079/x
  3. Step 3: Cross multiply
    73,899.72x = 102,015.18 × 47,079
  4. Step 4: Simplify right side
    73,899.72x = 4,802,772,659.22
  5. Step 5: Solve for x
    x = 4,802,772,659.22/73,899.72
  6. Step 6: Final answer
    x = 64,990.40

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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.