Home / 85,033.84-117,339.24-47,310.16

Finding the Fourth Proportional to 85,033.84, 117,339.24 and 47,310.16

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Solution

The fourth proportional to 85,033.84, 117,339.24 and 47,310.16 is: 65,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,033.84 : 117,339.24 = 47,310.16 : x
  2. Step 2: Convert to fraction form
    85,033.84/117,339.24 = 47,310.16/x
  3. Step 3: Cross multiply
    85,033.84x = 117,339.24 × 47,310.16
  4. Step 4: Simplify right side
    85,033.84x = 5,551,338,218.68
  5. Step 5: Solve for x
    x = 5,551,338,218.68/85,033.84
  6. Step 6: Final answer
    x = 65,283.87

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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.