Home / 101,979.32-152,953.16-52,096.28

Finding the Fourth Proportional to 101,979.32, 152,953.16 and 52,096.28

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Solution

The fourth proportional to 101,979.32, 152,953.16 and 52,096.28 is: 78,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,979.32 : 152,953.16 = 52,096.28 : x
  2. Step 2: Convert to fraction form
    101,979.32/152,953.16 = 52,096.28/x
  3. Step 3: Cross multiply
    101,979.32x = 152,953.16 × 52,096.28
  4. Step 4: Simplify right side
    101,979.32x = 7,968,289,625.00
  5. Step 5: Solve for x
    x = 7,968,289,625.00/101,979.32
  6. Step 6: Final answer
    x = 78,136.33

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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.