Home / 89,041.05-133,349.55-51,522.05

Finding the Fourth Proportional to 89,041.05, 133,349.55 and 51,522.05

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Solution

The fourth proportional to 89,041.05, 133,349.55 and 51,522.05 is: 77,160.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.05 : 133,349.55 = 51,522.05 : x
  2. Step 2: Convert to fraction form
    89,041.05/133,349.55 = 51,522.05/x
  3. Step 3: Cross multiply
    89,041.05x = 133,349.55 × 51,522.05
  4. Step 4: Simplify right side
    89,041.05x = 6,870,442,515.95
  5. Step 5: Solve for x
    x = 6,870,442,515.95/89,041.05
  6. Step 6: Final answer
    x = 77,160.39

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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.