Home / 104,979.16-157,436.44-30,079.24

Finding the Fourth Proportional to 104,979.16, 157,436.44 and 30,079.24

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Solution

The fourth proportional to 104,979.16, 157,436.44 and 30,079.24 is: 45,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979.16 : 157,436.44 = 30,079.24 : x
  2. Step 2: Convert to fraction form
    104,979.16/157,436.44 = 30,079.24/x
  3. Step 3: Cross multiply
    104,979.16x = 157,436.44 × 30,079.24
  4. Step 4: Simplify right side
    104,979.16x = 4,735,568,463.51
  5. Step 5: Solve for x
    x = 4,735,568,463.51/104,979.16
  6. Step 6: Final answer
    x = 45,109.61

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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.