Home / 110,988.12-153,163.74-63,241.32

Finding the Fourth Proportional to 110,988.12, 153,163.74 and 63,241.32

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Solution

The fourth proportional to 110,988.12, 153,163.74 and 63,241.32 is: 87,273.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,988.12 : 153,163.74 = 63,241.32 : x
  2. Step 2: Convert to fraction form
    110,988.12/153,163.74 = 63,241.32/x
  3. Step 3: Cross multiply
    110,988.12x = 153,163.74 × 63,241.32
  4. Step 4: Simplify right side
    110,988.12x = 9,686,277,093.74
  5. Step 5: Solve for x
    x = 9,686,277,093.74/110,988.12
  6. Step 6: Final answer
    x = 87,273.10

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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.