Home / 105,190.23-145,163.51-59,866.02

Finding the Fourth Proportional to 105,190.23, 145,163.51 and 59,866.02

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Solution

The fourth proportional to 105,190.23, 145,163.51 and 59,866.02 is: 82,615.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.23 : 145,163.51 = 59,866.02 : x
  2. Step 2: Convert to fraction form
    105,190.23/145,163.51 = 59,866.02/x
  3. Step 3: Cross multiply
    105,190.23x = 145,163.51 × 59,866.02
  4. Step 4: Simplify right side
    105,190.23x = 8,690,361,592.93
  5. Step 5: Solve for x
    x = 8,690,361,592.93/105,190.23
  6. Step 6: Final answer
    x = 82,615.67

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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.