Home / 85,071.36-117,396.48-47,344.80

Finding the Fourth Proportional to 85,071.36, 117,396.48 and 47,344.80

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Solution

The fourth proportional to 85,071.36, 117,396.48 and 47,344.80 is: 65,334.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.36 : 117,396.48 = 47,344.80 : x
  2. Step 2: Convert to fraction form
    85,071.36/117,396.48 = 47,344.80/x
  3. Step 3: Cross multiply
    85,071.36x = 117,396.48 × 47,344.80
  4. Step 4: Simplify right side
    85,071.36x = 5,558,112,866.30
  5. Step 5: Solve for x
    x = 5,558,112,866.30/85,071.36
  6. Step 6: Final answer
    x = 65,334.71

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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.