Home / 89,586.06-123,628.80-49,302.60

Finding the Fourth Proportional to 89,586.06, 123,628.80 and 49,302.60

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Solution

The fourth proportional to 89,586.06, 123,628.80 and 49,302.60 is: 68,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,586.06 : 123,628.80 = 49,302.60 : x
  2. Step 2: Convert to fraction form
    89,586.06/123,628.80 = 49,302.60/x
  3. Step 3: Cross multiply
    89,586.06x = 123,628.80 × 49,302.60
  4. Step 4: Simplify right side
    89,586.06x = 6,095,221,274.88
  5. Step 5: Solve for x
    x = 6,095,221,274.88/89,586.06
  6. Step 6: Final answer
    x = 68,037.61

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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.