Home / 100,943.77-151,437.26-30,828.25

Finding the Fourth Proportional to 100,943.77, 151,437.26 and 30,828.25

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Solution

The fourth proportional to 100,943.77, 151,437.26 and 30,828.25 is: 46,248.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,943.77 : 151,437.26 = 30,828.25 : x
  2. Step 2: Convert to fraction form
    100,943.77/151,437.26 = 30,828.25/x
  3. Step 3: Cross multiply
    100,943.77x = 151,437.26 × 30,828.25
  4. Step 4: Simplify right side
    100,943.77x = 4,668,545,556.45
  5. Step 5: Solve for x
    x = 4,668,545,556.45/100,943.77
  6. Step 6: Final answer
    x = 46,248.97

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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.