Home / 85,069.37-117,402.51-49,260.02

Finding the Fourth Proportional to 85,069.37, 117,402.51 and 49,260.02

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Solution

The fourth proportional to 85,069.37, 117,402.51 and 49,260.02 is: 67,982.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,069.37 : 117,402.51 = 49,260.02 : x
  2. Step 2: Convert to fraction form
    85,069.37/117,402.51 = 49,260.02/x
  3. Step 3: Cross multiply
    85,069.37x = 117,402.51 × 49,260.02
  4. Step 4: Simplify right side
    85,069.37x = 5,783,249,588.36
  5. Step 5: Solve for x
    x = 5,783,249,588.36/85,069.37
  6. Step 6: Final answer
    x = 67,982.75

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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.