Home / 109,750.44-151,463.22-61,986.36

Finding the Fourth Proportional to 109,750.44, 151,463.22 and 61,986.36

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Solution

The fourth proportional to 109,750.44, 151,463.22 and 61,986.36 is: 85,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,750.44 : 151,463.22 = 61,986.36 : x
  2. Step 2: Convert to fraction form
    109,750.44/151,463.22 = 61,986.36/x
  3. Step 3: Cross multiply
    109,750.44x = 151,463.22 × 61,986.36
  4. Step 4: Simplify right side
    109,750.44x = 9,388,653,681.68
  5. Step 5: Solve for x
    x = 9,388,653,681.68/109,750.44
  6. Step 6: Final answer
    x = 85,545.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.