Home / 107,964.06-161,946.09-57,975.40

Finding the Fourth Proportional to 107,964.06, 161,946.09 and 57,975.40

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Solution

The fourth proportional to 107,964.06, 161,946.09 and 57,975.40 is: 86,963.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,964.06 : 161,946.09 = 57,975.40 : x
  2. Step 2: Convert to fraction form
    107,964.06/161,946.09 = 57,975.40/x
  3. Step 3: Cross multiply
    107,964.06x = 161,946.09 × 57,975.40
  4. Step 4: Simplify right side
    107,964.06x = 9,388,888,536.46
  5. Step 5: Solve for x
    x = 9,388,888,536.46/107,964.06
  6. Step 6: Final answer
    x = 86,963.09

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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.