Home / 89,334.48-133,826.54-51,815.73

Finding the Fourth Proportional to 89,334.48, 133,826.54 and 51,815.73

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Solution

The fourth proportional to 89,334.48, 133,826.54 and 51,815.73 is: 77,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,334.48 : 133,826.54 = 51,815.73 : x
  2. Step 2: Convert to fraction form
    89,334.48/133,826.54 = 51,815.73/x
  3. Step 3: Cross multiply
    89,334.48x = 133,826.54 × 51,815.73
  4. Step 4: Simplify right side
    89,334.48x = 6,934,319,604.40
  5. Step 5: Solve for x
    x = 6,934,319,604.40/89,334.48
  6. Step 6: Final answer
    x = 77,621.98

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1.5x scale

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.