Home / 111,442.22-153,800.87-63,686.30

Finding the Fourth Proportional to 111,442.22, 153,800.87 and 63,686.30

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Solution

The fourth proportional to 111,442.22, 153,800.87 and 63,686.30 is: 87,893.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,442.22 : 153,800.87 = 63,686.30 : x
  2. Step 2: Convert to fraction form
    111,442.22/153,800.87 = 63,686.30/x
  3. Step 3: Cross multiply
    111,442.22x = 153,800.87 × 63,686.30
  4. Step 4: Simplify right side
    111,442.22x = 9,795,008,413.15
  5. Step 5: Solve for x
    x = 9,795,008,413.15/111,442.22
  6. Step 6: Final answer
    x = 87,893.16

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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.