Home / 49,647.96-74,472.72-12,208.08

Finding the Fourth Proportional to 49,647.96, 74,472.72 and 12,208.08

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Solution

The fourth proportional to 49,647.96, 74,472.72 and 12,208.08 is: 18,312.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,647.96 : 74,472.72 = 12,208.08 : x
  2. Step 2: Convert to fraction form
    49,647.96/74,472.72 = 12,208.08/x
  3. Step 3: Cross multiply
    49,647.96x = 74,472.72 × 12,208.08
  4. Step 4: Simplify right side
    49,647.96x = 909,168,923.58
  5. Step 5: Solve for x
    x = 909,168,923.58/49,647.96
  6. Step 6: Final answer
    x = 18,312.31

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1.5x scale

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.