Home / 89,356.04-123,302.60-51,629.48

Finding the Fourth Proportional to 89,356.04, 123,302.60 and 51,629.48

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Solution

The fourth proportional to 89,356.04, 123,302.60 and 51,629.48 is: 71,243.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,356.04 : 123,302.60 = 51,629.48 : x
  2. Step 2: Convert to fraction form
    89,356.04/123,302.60 = 51,629.48/x
  3. Step 3: Cross multiply
    89,356.04x = 123,302.60 × 51,629.48
  4. Step 4: Simplify right side
    89,356.04x = 6,366,049,120.65
  5. Step 5: Solve for x
    x = 6,366,049,120.65/89,356.04
  6. Step 6: Final answer
    x = 71,243.64

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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.