Home / 82,872.06-114,365.70-47,059.80

Finding the Fourth Proportional to 82,872.06, 114,365.70 and 47,059.80

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Solution

The fourth proportional to 82,872.06, 114,365.70 and 47,059.80 is: 64,943.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872.06 : 114,365.70 = 47,059.80 : x
  2. Step 2: Convert to fraction form
    82,872.06/114,365.70 = 47,059.80/x
  3. Step 3: Cross multiply
    82,872.06x = 114,365.70 × 47,059.80
  4. Step 4: Simplify right side
    82,872.06x = 5,382,026,968.86
  5. Step 5: Solve for x
    x = 5,382,026,968.86/82,872.06
  6. Step 6: Final answer
    x = 64,943.81

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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.