Home / 89,106.85-133,618.42-51,677.56

Finding the Fourth Proportional to 89,106.85, 133,618.42 and 51,677.56

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Solution

The fourth proportional to 89,106.85, 133,618.42 and 51,677.56 is: 77,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,106.85 : 133,618.42 = 51,677.56 : x
  2. Step 2: Convert to fraction form
    89,106.85/133,618.42 = 51,677.56/x
  3. Step 3: Cross multiply
    89,106.85x = 133,618.42 × 51,677.56
  4. Step 4: Simplify right side
    89,106.85x = 6,905,073,916.66
  5. Step 5: Solve for x
    x = 6,905,073,916.66/89,106.85
  6. Step 6: Final answer
    x = 77,492.07

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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.