Home / 106,729.25-160,075.71-35,643.81

Finding the Fourth Proportional to 106,729.25, 160,075.71 and 35,643.81

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Solution

The fourth proportional to 106,729.25, 160,075.71 and 35,643.81 is: 53,459.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,729.25 : 160,075.71 = 35,643.81 : x
  2. Step 2: Convert to fraction form
    106,729.25/160,075.71 = 35,643.81/x
  3. Step 3: Cross multiply
    106,729.25x = 160,075.71 × 35,643.81
  4. Step 4: Simplify right side
    106,729.25x = 5,705,708,793.14
  5. Step 5: Solve for x
    x = 5,705,708,793.14/106,729.25
  6. Step 6: Final answer
    x = 53,459.66

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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.