Home / 89,628.04-123,685.14-49,342.60

Finding the Fourth Proportional to 89,628.04, 123,685.14 and 49,342.60

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Solution

The fourth proportional to 89,628.04, 123,685.14 and 49,342.60 is: 68,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,628.04 : 123,685.14 = 49,342.60 : x
  2. Step 2: Convert to fraction form
    89,628.04/123,685.14 = 49,342.60/x
  3. Step 3: Cross multiply
    89,628.04x = 123,685.14 × 49,342.60
  4. Step 4: Simplify right side
    89,628.04x = 6,102,946,388.96
  5. Step 5: Solve for x
    x = 6,102,946,388.96/89,628.04
  6. Step 6: Final answer
    x = 68,091.93

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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.