Home / 107,947.60-161,921.40-34,075.60

Finding the Fourth Proportional to 107,947.60, 161,921.40 and 34,075.60

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Solution

The fourth proportional to 107,947.60, 161,921.40 and 34,075.60 is: 51,113.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,947.60 : 161,921.40 = 34,075.60 : x
  2. Step 2: Convert to fraction form
    107,947.60/161,921.40 = 34,075.60/x
  3. Step 3: Cross multiply
    107,947.60x = 161,921.40 × 34,075.60
  4. Step 4: Simplify right side
    107,947.60x = 5,517,568,857.84
  5. Step 5: Solve for x
    x = 5,517,568,857.84/107,947.60
  6. Step 6: Final answer
    x = 51,113.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.