Home / 85,918.44-118,561.38-47,679.96

Finding the Fourth Proportional to 85,918.44, 118,561.38 and 47,679.96

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Solution

The fourth proportional to 85,918.44, 118,561.38 and 47,679.96 is: 65,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,918.44 : 118,561.38 = 47,679.96 : x
  2. Step 2: Convert to fraction form
    85,918.44/118,561.38 = 47,679.96/x
  3. Step 3: Cross multiply
    85,918.44x = 118,561.38 × 47,679.96
  4. Step 4: Simplify right side
    85,918.44x = 5,653,001,855.94
  5. Step 5: Solve for x
    x = 5,653,001,855.94/85,918.44
  6. Step 6: Final answer
    x = 65,794.98

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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.