Home / 88,185.92-121,697.44-47,900.06

Finding the Fourth Proportional to 88,185.92, 121,697.44 and 47,900.06

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Solution

The fourth proportional to 88,185.92, 121,697.44 and 47,900.06 is: 66,102.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,185.92 : 121,697.44 = 47,900.06 : x
  2. Step 2: Convert to fraction form
    88,185.92/121,697.44 = 47,900.06/x
  3. Step 3: Cross multiply
    88,185.92x = 121,697.44 × 47,900.06
  4. Step 4: Simplify right side
    88,185.92x = 5,829,314,405.97
  5. Step 5: Solve for x
    x = 5,829,314,405.97/88,185.92
  6. Step 6: Final answer
    x = 66,102.56

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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.