Home / 107,884.94-148,811.73-71,585.60

Finding the Fourth Proportional to 107,884.94, 148,811.73 and 71,585.60

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Solution

The fourth proportional to 107,884.94, 148,811.73 and 71,585.60 is: 98,742.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,884.94 : 148,811.73 = 71,585.60 : x
  2. Step 2: Convert to fraction form
    107,884.94/148,811.73 = 71,585.60/x
  3. Step 3: Cross multiply
    107,884.94x = 148,811.73 × 71,585.60
  4. Step 4: Simplify right side
    107,884.94x = 10,652,776,235.03
  5. Step 5: Solve for x
    x = 10,652,776,235.03/107,884.94
  6. Step 6: Final answer
    x = 98,742.02

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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.