Home / 40,770.34-61,148.95-11,181.31

Finding the Fourth Proportional to 40,770.34, 61,148.95 and 11,181.31

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Solution

The fourth proportional to 40,770.34, 61,148.95 and 11,181.31 is: 16,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,770.34 : 61,148.95 = 11,181.31 : x
  2. Step 2: Convert to fraction form
    40,770.34/61,148.95 = 11,181.31/x
  3. Step 3: Cross multiply
    40,770.34x = 61,148.95 × 11,181.31
  4. Step 4: Simplify right side
    40,770.34x = 683,725,366.12
  5. Step 5: Solve for x
    x = 683,725,366.12/40,770.34
  6. Step 6: Final answer
    x = 16,770.17

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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.