Home / 89,023.75-122,852.78-49,279.75

Finding the Fourth Proportional to 89,023.75, 122,852.78 and 49,279.75

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Solution

The fourth proportional to 89,023.75, 122,852.78 and 49,279.75 is: 68,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,023.75 : 122,852.78 = 49,279.75 : x
  2. Step 2: Convert to fraction form
    89,023.75/122,852.78 = 49,279.75/x
  3. Step 3: Cross multiply
    89,023.75x = 122,852.78 × 49,279.75
  4. Step 4: Simplify right side
    89,023.75x = 6,054,154,285.21
  5. Step 5: Solve for x
    x = 6,054,154,285.21/89,023.75
  6. Step 6: Final answer
    x = 68,006.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.