Home / 89,048.63-133,360.94-51,529.61

Finding the Fourth Proportional to 89,048.63, 133,360.94 and 51,529.61

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Solution

The fourth proportional to 89,048.63, 133,360.94 and 51,529.61 is: 77,171.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,048.63 : 133,360.94 = 51,529.61 : x
  2. Step 2: Convert to fraction form
    89,048.63/133,360.94 = 51,529.61/x
  3. Step 3: Cross multiply
    89,048.63x = 133,360.94 × 51,529.61
  4. Step 4: Simplify right side
    89,048.63x = 6,872,036,969.79
  5. Step 5: Solve for x
    x = 6,872,036,969.79/89,048.63
  6. Step 6: Final answer
    x = 77,171.73

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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.