Home / 111,402.96-153,733.38-63,653.24

Finding the Fourth Proportional to 111,402.96, 153,733.38 and 63,653.24

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Solution

The fourth proportional to 111,402.96, 153,733.38 and 63,653.24 is: 87,839.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,402.96 : 153,733.38 = 63,653.24 : x
  2. Step 2: Convert to fraction form
    111,402.96/153,733.38 = 63,653.24/x
  3. Step 3: Cross multiply
    111,402.96x = 153,733.38 × 63,653.24
  4. Step 4: Simplify right side
    111,402.96x = 9,785,627,733.15
  5. Step 5: Solve for x
    x = 9,785,627,733.15/111,402.96
  6. Step 6: Final answer
    x = 87,839.93

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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.