Home / 111,291.48-153,635.49-63,535.59

Finding the Fourth Proportional to 111,291.48, 153,635.49 and 63,535.59

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Solution

The fourth proportional to 111,291.48, 153,635.49 and 63,535.59 is: 87,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,291.48 : 153,635.49 = 63,535.59 : x
  2. Step 2: Convert to fraction form
    111,291.48/153,635.49 = 63,535.59/x
  3. Step 3: Cross multiply
    111,291.48x = 153,635.49 × 63,535.59
  4. Step 4: Simplify right side
    111,291.48x = 9,761,321,502.09
  5. Step 5: Solve for x
    x = 9,761,321,502.09/111,291.48
  6. Step 6: Final answer
    x = 87,709.51

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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.