Home / 53,698.32-74,143.08-49,717.44

Finding the Fourth Proportional to 53,698.32, 74,143.08 and 49,717.44

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Solution

The fourth proportional to 53,698.32, 74,143.08 and 49,717.44 is: 68,646.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,698.32 : 74,143.08 = 49,717.44 : x
  2. Step 2: Convert to fraction form
    53,698.32/74,143.08 = 49,717.44/x
  3. Step 3: Cross multiply
    53,698.32x = 74,143.08 × 49,717.44
  4. Step 4: Simplify right side
    53,698.32x = 3,686,204,131.32
  5. Step 5: Solve for x
    x = 3,686,204,131.32/53,698.32
  6. Step 6: Final answer
    x = 68,646.54

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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.