Home / 85,363.45-117,815.93-49,583.41

Finding the Fourth Proportional to 85,363.45, 117,815.93 and 49,583.41

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Solution

The fourth proportional to 85,363.45, 117,815.93 and 49,583.41 is: 68,433.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,363.45 : 117,815.93 = 49,583.41 : x
  2. Step 2: Convert to fraction form
    85,363.45/117,815.93 = 49,583.41/x
  3. Step 3: Cross multiply
    85,363.45x = 117,815.93 × 49,583.41
  4. Step 4: Simplify right side
    85,363.45x = 5,841,715,561.72
  5. Step 5: Solve for x
    x = 5,841,715,561.72/85,363.45
  6. Step 6: Final answer
    x = 68,433.45

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1.5x scale

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.