Home / 88,680.30-133,032.60-29,509.80

Finding the Fourth Proportional to 88,680.30, 133,032.60 and 29,509.80

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Solution

The fourth proportional to 88,680.30, 133,032.60 and 29,509.80 is: 44,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,680.30 : 133,032.60 = 29,509.80 : x
  2. Step 2: Convert to fraction form
    88,680.30/133,032.60 = 29,509.80/x
  3. Step 3: Cross multiply
    88,680.30x = 133,032.60 × 29,509.80
  4. Step 4: Simplify right side
    88,680.30x = 3,925,765,419.48
  5. Step 5: Solve for x
    x = 3,925,765,419.48/88,680.30
  6. Step 6: Final answer
    x = 44,268.74

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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.