Home / 89,770.86-123,883.62-49,484.34

Finding the Fourth Proportional to 89,770.86, 123,883.62 and 49,484.34

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Solution

The fourth proportional to 89,770.86, 123,883.62 and 49,484.34 is: 68,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,770.86 : 123,883.62 = 49,484.34 : x
  2. Step 2: Convert to fraction form
    89,770.86/123,883.62 = 49,484.34/x
  3. Step 3: Cross multiply
    89,770.86x = 123,883.62 × 49,484.34
  4. Step 4: Simplify right side
    89,770.86x = 6,130,299,172.51
  5. Step 5: Solve for x
    x = 6,130,299,172.51/89,770.86
  6. Step 6: Final answer
    x = 68,288.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.