Home / 109,731.70-164,597.55-39,613.30

Finding the Fourth Proportional to 109,731.70, 164,597.55 and 39,613.30

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Solution

The fourth proportional to 109,731.70, 164,597.55 and 39,613.30 is: 59,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,731.70 : 164,597.55 = 39,613.30 : x
  2. Step 2: Convert to fraction form
    109,731.70/164,597.55 = 39,613.30/x
  3. Step 3: Cross multiply
    109,731.70x = 164,597.55 × 39,613.30
  4. Step 4: Simplify right side
    109,731.70x = 6,520,252,127.42
  5. Step 5: Solve for x
    x = 6,520,252,127.42/109,731.70
  6. Step 6: Final answer
    x = 59,419.95

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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.