Home / 111,444.75-153,789.66-63,695.25

Finding the Fourth Proportional to 111,444.75, 153,789.66 and 63,695.25

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Solution

The fourth proportional to 111,444.75, 153,789.66 and 63,695.25 is: 87,897.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,444.75 : 153,789.66 = 63,695.25 : x
  2. Step 2: Convert to fraction form
    111,444.75/153,789.66 = 63,695.25/x
  3. Step 3: Cross multiply
    111,444.75x = 153,789.66 × 63,695.25
  4. Step 4: Simplify right side
    111,444.75x = 9,795,670,841.12
  5. Step 5: Solve for x
    x = 9,795,670,841.12/111,444.75
  6. Step 6: Final answer
    x = 87,897.10

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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.