Home / 69,141.36-95,416.74-38,927.68

Finding the Fourth Proportional to 69,141.36, 95,416.74 and 38,927.68

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Solution

The fourth proportional to 69,141.36, 95,416.74 and 38,927.68 is: 53,721.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,141.36 : 95,416.74 = 38,927.68 : x
  2. Step 2: Convert to fraction form
    69,141.36/95,416.74 = 38,927.68/x
  3. Step 3: Cross multiply
    69,141.36x = 95,416.74 × 38,927.68
  4. Step 4: Simplify right side
    69,141.36x = 3,714,352,321.36
  5. Step 5: Solve for x
    x = 3,714,352,321.36/69,141.36
  6. Step 6: Final answer
    x = 53,721.13

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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.