Home / 97,770.99-146,653.34-31,215.18

Finding the Fourth Proportional to 97,770.99, 146,653.34 and 31,215.18

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Solution

The fourth proportional to 97,770.99, 146,653.34 and 31,215.18 is: 46,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,770.99 : 146,653.34 = 31,215.18 : x
  2. Step 2: Convert to fraction form
    97,770.99/146,653.34 = 31,215.18/x
  3. Step 3: Cross multiply
    97,770.99x = 146,653.34 × 31,215.18
  4. Step 4: Simplify right side
    97,770.99x = 4,577,810,249.63
  5. Step 5: Solve for x
    x = 4,577,810,249.63/97,770.99
  6. Step 6: Final answer
    x = 46,821.76

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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.