Home / 94,538.90-141,808.35-91,331.30

Finding the Fourth Proportional to 94,538.90, 141,808.35 and 91,331.30

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Solution

The fourth proportional to 94,538.90, 141,808.35 and 91,331.30 is: 136,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,538.90 : 141,808.35 = 91,331.30 : x
  2. Step 2: Convert to fraction form
    94,538.90/141,808.35 = 91,331.30/x
  3. Step 3: Cross multiply
    94,538.90x = 141,808.35 × 91,331.30
  4. Step 4: Simplify right side
    94,538.90x = 12,951,540,956.36
  5. Step 5: Solve for x
    x = 12,951,540,956.36/94,538.90
  6. Step 6: Final answer
    x = 136,996.95

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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.