Home / 89,050.63-133,363.93-51,531.61

Finding the Fourth Proportional to 89,050.63, 133,363.93 and 51,531.61

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Solution

The fourth proportional to 89,050.63, 133,363.93 and 51,531.61 is: 77,174.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,050.63 : 133,363.93 = 51,531.61 : x
  2. Step 2: Convert to fraction form
    89,050.63/133,363.93 = 51,531.61/x
  3. Step 3: Cross multiply
    89,050.63x = 133,363.93 × 51,531.61
  4. Step 4: Simplify right side
    89,050.63x = 6,872,458,028.83
  5. Step 5: Solve for x
    x = 6,872,458,028.83/89,050.63
  6. Step 6: Final answer
    x = 77,174.73

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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.