Home / 72,243.75-99,696.38-47,093.25

Finding the Fourth Proportional to 72,243.75, 99,696.38 and 47,093.25

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Solution

The fourth proportional to 72,243.75, 99,696.38 and 47,093.25 is: 64,988.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,243.75 : 99,696.38 = 47,093.25 : x
  2. Step 2: Convert to fraction form
    72,243.75/99,696.38 = 47,093.25/x
  3. Step 3: Cross multiply
    72,243.75x = 99,696.38 × 47,093.25
  4. Step 4: Simplify right side
    72,243.75x = 4,695,026,311.97
  5. Step 5: Solve for x
    x = 4,695,026,311.97/72,243.75
  6. Step 6: Final answer
    x = 64,988.69

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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.