Home / 85,299.56-117,710.66-47,059.08

Finding the Fourth Proportional to 85,299.56, 117,710.66 and 47,059.08

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Solution

The fourth proportional to 85,299.56, 117,710.66 and 47,059.08 is: 64,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,299.56 : 117,710.66 = 47,059.08 : x
  2. Step 2: Convert to fraction form
    85,299.56/117,710.66 = 47,059.08/x
  3. Step 3: Cross multiply
    85,299.56x = 117,710.66 × 47,059.08
  4. Step 4: Simplify right side
    85,299.56x = 5,539,355,365.79
  5. Step 5: Solve for x
    x = 5,539,355,365.79/85,299.56
  6. Step 6: Final answer
    x = 64,940.02

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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.