Home / 85,071.44-117,430.62-63,911.82

Finding the Fourth Proportional to 85,071.44, 117,430.62 and 63,911.82

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Solution

The fourth proportional to 85,071.44, 117,430.62 and 63,911.82 is: 88,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,071.44 : 117,430.62 = 63,911.82 : x
  2. Step 2: Convert to fraction form
    85,071.44/117,430.62 = 63,911.82/x
  3. Step 3: Cross multiply
    85,071.44x = 117,430.62 × 63,911.82
  4. Step 4: Simplify right side
    85,071.44x = 7,505,204,647.93
  5. Step 5: Solve for x
    x = 7,505,204,647.93/85,071.44
  6. Step 6: Final answer
    x = 88,222.38

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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.