Home / 105,838.37-146,031.81-59,898.60

Finding the Fourth Proportional to 105,838.37, 146,031.81 and 59,898.60

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Solution

The fourth proportional to 105,838.37, 146,031.81 and 59,898.60 is: 82,645.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,838.37 : 146,031.81 = 59,898.60 : x
  2. Step 2: Convert to fraction form
    105,838.37/146,031.81 = 59,898.60/x
  3. Step 3: Cross multiply
    105,838.37x = 146,031.81 × 59,898.60
  4. Step 4: Simplify right side
    105,838.37x = 8,747,100,974.47
  5. Step 5: Solve for x
    x = 8,747,100,974.47/105,838.37
  6. Step 6: Final answer
    x = 82,645.84

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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.