Home / 89,212.98-133,777.10-51,784.60

Finding the Fourth Proportional to 89,212.98, 133,777.10 and 51,784.60

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Solution

The fourth proportional to 89,212.98, 133,777.10 and 51,784.60 is: 77,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,212.98 : 133,777.10 = 51,784.60 : x
  2. Step 2: Convert to fraction form
    89,212.98/133,777.10 = 51,784.60/x
  3. Step 3: Cross multiply
    89,212.98x = 133,777.10 × 51,784.60
  4. Step 4: Simplify right side
    89,212.98x = 6,927,593,612.66
  5. Step 5: Solve for x
    x = 6,927,593,612.66/89,212.98
  6. Step 6: Final answer
    x = 77,652.31

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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.