Home / 82,913.62-114,421.19-47,105.60

Finding the Fourth Proportional to 82,913.62, 114,421.19 and 47,105.60

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Solution

The fourth proportional to 82,913.62, 114,421.19 and 47,105.60 is: 65,005.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,913.62 : 114,421.19 = 47,105.60 : x
  2. Step 2: Convert to fraction form
    82,913.62/114,421.19 = 47,105.60/x
  3. Step 3: Cross multiply
    82,913.62x = 114,421.19 × 47,105.60
  4. Step 4: Simplify right side
    82,913.62x = 5,389,878,807.66
  5. Step 5: Solve for x
    x = 5,389,878,807.66/82,913.62
  6. Step 6: Final answer
    x = 65,005.95

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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.