Home / 49,639.25-74,459.42-12,703.25

Finding the Fourth Proportional to 49,639.25, 74,459.42 and 12,703.25

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Solution

The fourth proportional to 49,639.25, 74,459.42 and 12,703.25 is: 19,055.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,639.25 : 74,459.42 = 12,703.25 : x
  2. Step 2: Convert to fraction form
    49,639.25/74,459.42 = 12,703.25/x
  3. Step 3: Cross multiply
    49,639.25x = 74,459.42 × 12,703.25
  4. Step 4: Simplify right side
    49,639.25x = 945,876,563.60
  5. Step 5: Solve for x
    x = 945,876,563.60/49,639.25
  6. Step 6: Final answer
    x = 19,055.01

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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.