Home / 78,179.24-117,425.77-46,650.87

Finding the Fourth Proportional to 78,179.24, 117,425.77 and 46,650.87

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Solution

The fourth proportional to 78,179.24, 117,425.77 and 46,650.87 is: 70,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,179.24 : 117,425.77 = 46,650.87 : x
  2. Step 2: Convert to fraction form
    78,179.24/117,425.77 = 46,650.87/x
  3. Step 3: Cross multiply
    78,179.24x = 117,425.77 × 46,650.87
  4. Step 4: Simplify right side
    78,179.24x = 5,478,014,214.29
  5. Step 5: Solve for x
    x = 5,478,014,214.29/78,179.24
  6. Step 6: Final answer
    x = 70,069.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.