Home / 107,065.25-147,743.87-59,315.75

Finding the Fourth Proportional to 107,065.25, 147,743.87 and 59,315.75

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Solution

The fourth proportional to 107,065.25, 147,743.87 and 59,315.75 is: 81,852.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,065.25 : 147,743.87 = 59,315.75 : x
  2. Step 2: Convert to fraction form
    107,065.25/147,743.87 = 59,315.75/x
  3. Step 3: Cross multiply
    107,065.25x = 147,743.87 × 59,315.75
  4. Step 4: Simplify right side
    107,065.25x = 8,763,538,974.60
  5. Step 5: Solve for x
    x = 8,763,538,974.60/107,065.25
  6. Step 6: Final answer
    x = 81,852.32

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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.