Home / 88,296.64-121,848.44-65,736.52

Finding the Fourth Proportional to 88,296.64, 121,848.44 and 65,736.52

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Solution

The fourth proportional to 88,296.64, 121,848.44 and 65,736.52 is: 90,715.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,296.64 : 121,848.44 = 65,736.52 : x
  2. Step 2: Convert to fraction form
    88,296.64/121,848.44 = 65,736.52/x
  3. Step 3: Cross multiply
    88,296.64x = 121,848.44 × 65,736.52
  4. Step 4: Simplify right side
    88,296.64x = 8,009,892,413.03
  5. Step 5: Solve for x
    x = 8,009,892,413.03/88,296.64
  6. Step 6: Final answer
    x = 90,715.71

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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.