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Finding the Fourth Proportional to 94,608.26, 130,578.34 and 54,349.64

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Solution

The fourth proportional to 94,608.26, 130,578.34 and 54,349.64 is: 75,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,608.26 : 130,578.34 = 54,349.64 : x
  2. Step 2: Convert to fraction form
    94,608.26/130,578.34 = 54,349.64/x
  3. Step 3: Cross multiply
    94,608.26x = 130,578.34 × 54,349.64
  4. Step 4: Simplify right side
    94,608.26x = 7,096,885,770.80
  5. Step 5: Solve for x
    x = 7,096,885,770.80/94,608.26
  6. Step 6: Final answer
    x = 75,013.38

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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.