Home / 107,897.52-161,946.09-54,626.93

Finding the Fourth Proportional to 107,897.52, 161,946.09 and 54,626.93

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Solution

The fourth proportional to 107,897.52, 161,946.09 and 54,626.93 is: 81,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,897.52 : 161,946.09 = 54,626.93 : x
  2. Step 2: Convert to fraction form
    107,897.52/161,946.09 = 54,626.93/x
  3. Step 3: Cross multiply
    107,897.52x = 161,946.09 × 54,626.93
  4. Step 4: Simplify right side
    107,897.52x = 8,846,617,722.20
  5. Step 5: Solve for x
    x = 8,846,617,722.20/107,897.52
  6. Step 6: Final answer
    x = 81,990.93

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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.