Home / 74,770.26-103,157.13-47,927.55

Finding the Fourth Proportional to 74,770.26, 103,157.13 and 47,927.55

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Solution

The fourth proportional to 74,770.26, 103,157.13 and 47,927.55 is: 66,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,770.26 : 103,157.13 = 47,927.55 : x
  2. Step 2: Convert to fraction form
    74,770.26/103,157.13 = 47,927.55/x
  3. Step 3: Cross multiply
    74,770.26x = 103,157.13 × 47,927.55
  4. Step 4: Simplify right side
    74,770.26x = 4,944,068,505.93
  5. Step 5: Solve for x
    x = 4,944,068,505.93/74,770.26
  6. Step 6: Final answer
    x = 66,123.46

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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.