Home / 85,150.08-117,532.58-49,356.18

Finding the Fourth Proportional to 85,150.08, 117,532.58 and 49,356.18

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Solution

The fourth proportional to 85,150.08, 117,532.58 and 49,356.18 is: 68,126.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,150.08 : 117,532.58 = 49,356.18 : x
  2. Step 2: Convert to fraction form
    85,150.08/117,532.58 = 49,356.18/x
  3. Step 3: Cross multiply
    85,150.08x = 117,532.58 × 49,356.18
  4. Step 4: Simplify right side
    85,150.08x = 5,800,958,927.56
  5. Step 5: Solve for x
    x = 5,800,958,927.56/85,150.08
  6. Step 6: Final answer
    x = 68,126.29

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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.