Home / 94,741.26-142,125.93-31,540.74

Finding the Fourth Proportional to 94,741.26, 142,125.93 and 31,540.74

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Solution

The fourth proportional to 94,741.26, 142,125.93 and 31,540.74 is: 47,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,741.26 : 142,125.93 = 31,540.74 : x
  2. Step 2: Convert to fraction form
    94,741.26/142,125.93 = 31,540.74/x
  3. Step 3: Cross multiply
    94,741.26x = 142,125.93 × 31,540.74
  4. Step 4: Simplify right side
    94,741.26x = 4,482,757,005.39
  5. Step 5: Solve for x
    x = 4,482,757,005.39/94,741.26
  6. Step 6: Final answer
    x = 47,315.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.