Home / 111,575.25-153,971.08-63,825.52

Finding the Fourth Proportional to 111,575.25, 153,971.08 and 63,825.52

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Solution

The fourth proportional to 111,575.25, 153,971.08 and 63,825.52 is: 88,077.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,575.25 : 153,971.08 = 63,825.52 : x
  2. Step 2: Convert to fraction form
    111,575.25/153,971.08 = 63,825.52/x
  3. Step 3: Cross multiply
    111,575.25x = 153,971.08 × 63,825.52
  4. Step 4: Simplify right side
    111,575.25x = 9,827,284,245.96
  5. Step 5: Solve for x
    x = 9,827,284,245.96/111,575.25
  6. Step 6: Final answer
    x = 88,077.64

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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.