Home / 111,287.03-153,629.28-63,531.14

Finding the Fourth Proportional to 111,287.03, 153,629.28 and 63,531.14

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Solution

The fourth proportional to 111,287.03, 153,629.28 and 63,531.14 is: 87,703.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,287.03 : 153,629.28 = 63,531.14 : x
  2. Step 2: Convert to fraction form
    111,287.03/153,629.28 = 63,531.14/x
  3. Step 3: Cross multiply
    111,287.03x = 153,629.28 × 63,531.14
  4. Step 4: Simplify right side
    111,287.03x = 9,760,242,527.63
  5. Step 5: Solve for x
    x = 9,760,242,527.63/111,287.03
  6. Step 6: Final answer
    x = 87,703.33

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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.