Home / 111,260.30-153,554.87-63,516.47

Finding the Fourth Proportional to 111,260.30, 153,554.87 and 63,516.47

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Solution

The fourth proportional to 111,260.30, 153,554.87 and 63,516.47 is: 87,661.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,260.30 : 153,554.87 = 63,516.47 : x
  2. Step 2: Convert to fraction form
    111,260.30/153,554.87 = 63,516.47/x
  3. Step 3: Cross multiply
    111,260.30x = 153,554.87 × 63,516.47
  4. Step 4: Simplify right side
    111,260.30x = 9,753,262,684.73
  5. Step 5: Solve for x
    x = 9,753,262,684.73/111,260.30
  6. Step 6: Final answer
    x = 87,661.66

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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.