Home / 94,770.50-142,146.01-31,583.81

Finding the Fourth Proportional to 94,770.50, 142,146.01 and 31,583.81

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Solution

The fourth proportional to 94,770.50, 142,146.01 and 31,583.81 is: 47,372.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,770.50 : 142,146.01 = 31,583.81 : x
  2. Step 2: Convert to fraction form
    94,770.50/142,146.01 = 31,583.81/x
  3. Step 3: Cross multiply
    94,770.50x = 142,146.01 × 31,583.81
  4. Step 4: Simplify right side
    94,770.50x = 4,489,512,966.94
  5. Step 5: Solve for x
    x = 4,489,512,966.94/94,770.50
  6. Step 6: Final answer
    x = 47,372.48

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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.