Home / 107,049.22-147,729.19-59,303.50

Finding the Fourth Proportional to 107,049.22, 147,729.19 and 59,303.50

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Solution

The fourth proportional to 107,049.22, 147,729.19 and 59,303.50 is: 81,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,049.22 : 147,729.19 = 59,303.50 : x
  2. Step 2: Convert to fraction form
    107,049.22/147,729.19 = 59,303.50/x
  3. Step 3: Cross multiply
    107,049.22x = 147,729.19 × 59,303.50
  4. Step 4: Simplify right side
    107,049.22x = 8,760,858,019.17
  5. Step 5: Solve for x
    x = 8,760,858,019.17/107,049.22
  6. Step 6: Final answer
    x = 81,839.53

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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.