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Finding the Fourth Proportional to 94,672.26, 130,645.53 and 52,230.78

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Solution

The fourth proportional to 94,672.26, 130,645.53 and 52,230.78 is: 72,077.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,672.26 : 130,645.53 = 52,230.78 : x
  2. Step 2: Convert to fraction form
    94,672.26/130,645.53 = 52,230.78/x
  3. Step 3: Cross multiply
    94,672.26x = 130,645.53 × 52,230.78
  4. Step 4: Simplify right side
    94,672.26x = 6,823,717,935.41
  5. Step 5: Solve for x
    x = 6,823,717,935.41/94,672.26
  6. Step 6: Final answer
    x = 72,077.27

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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.