Home / 100,829.24-151,252.26-30,709.16

Finding the Fourth Proportional to 100,829.24, 151,252.26 and 30,709.16

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Solution

The fourth proportional to 100,829.24, 151,252.26 and 30,709.16 is: 46,066.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,829.24 : 151,252.26 = 30,709.16 : x
  2. Step 2: Convert to fraction form
    100,829.24/151,252.26 = 30,709.16/x
  3. Step 3: Cross multiply
    100,829.24x = 151,252.26 × 30,709.16
  4. Step 4: Simplify right side
    100,829.24x = 4,644,829,852.70
  5. Step 5: Solve for x
    x = 4,644,829,852.70/100,829.24
  6. Step 6: Final answer
    x = 46,066.30

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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.