Home / 88,735.10-132,698.34-66,261.56

Finding the Fourth Proportional to 88,735.10, 132,698.34 and 66,261.56

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Solution

The fourth proportional to 88,735.10, 132,698.34 and 66,261.56 is: 99,090.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,735.10 : 132,698.34 = 66,261.56 : x
  2. Step 2: Convert to fraction form
    88,735.10/132,698.34 = 66,261.56/x
  3. Step 3: Cross multiply
    88,735.10x = 132,698.34 × 66,261.56
  4. Step 4: Simplify right side
    88,735.10x = 8,792,799,017.81
  5. Step 5: Solve for x
    x = 8,792,799,017.81/88,735.10
  6. Step 6: Final answer
    x = 99,090.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.