Home / 82,946.76-114,478.38-47,129.64

Finding the Fourth Proportional to 82,946.76, 114,478.38 and 47,129.64

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Solution

The fourth proportional to 82,946.76, 114,478.38 and 47,129.64 is: 65,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,946.76 : 114,478.38 = 47,129.64 : x
  2. Step 2: Convert to fraction form
    82,946.76/114,478.38 = 47,129.64/x
  3. Step 3: Cross multiply
    82,946.76x = 114,478.38 × 47,129.64
  4. Step 4: Simplify right side
    82,946.76x = 5,395,324,837.18
  5. Step 5: Solve for x
    x = 5,395,324,837.18/82,946.76
  6. Step 6: Final answer
    x = 65,045.64

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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.