Home / 45,663.48-68,495.22-12,383.55

Finding the Fourth Proportional to 45,663.48, 68,495.22 and 12,383.55

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Solution

The fourth proportional to 45,663.48, 68,495.22 and 12,383.55 is: 18,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,663.48 : 68,495.22 = 12,383.55 : x
  2. Step 2: Convert to fraction form
    45,663.48/68,495.22 = 12,383.55/x
  3. Step 3: Cross multiply
    45,663.48x = 68,495.22 × 12,383.55
  4. Step 4: Simplify right side
    45,663.48x = 848,213,981.63
  5. Step 5: Solve for x
    x = 848,213,981.63/45,663.48
  6. Step 6: Final answer
    x = 18,575.33

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Similar ratio
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1.5x scale

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.