Home / 104,958.12-157,410.30-31,068.84

Finding the Fourth Proportional to 104,958.12, 157,410.30 and 31,068.84

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Solution

The fourth proportional to 104,958.12, 157,410.30 and 31,068.84 is: 46,595.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,958.12 : 157,410.30 = 31,068.84 : x
  2. Step 2: Convert to fraction form
    104,958.12/157,410.30 = 31,068.84/x
  3. Step 3: Cross multiply
    104,958.12x = 157,410.30 × 31,068.84
  4. Step 4: Simplify right side
    104,958.12x = 4,890,555,425.05
  5. Step 5: Solve for x
    x = 4,890,555,425.05/104,958.12
  6. Step 6: Final answer
    x = 46,595.30

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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.