Home / 105,789.33-145,989.48-58,043.01

Finding the Fourth Proportional to 105,789.33, 145,989.48 and 58,043.01

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Solution

The fourth proportional to 105,789.33, 145,989.48 and 58,043.01 is: 80,099.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,789.33 : 145,989.48 = 58,043.01 : x
  2. Step 2: Convert to fraction form
    105,789.33/145,989.48 = 58,043.01/x
  3. Step 3: Cross multiply
    105,789.33x = 145,989.48 × 58,043.01
  4. Step 4: Simplify right side
    105,789.33x = 8,473,668,847.53
  5. Step 5: Solve for x
    x = 8,473,668,847.53/105,789.33
  6. Step 6: Final answer
    x = 80,099.47

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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.