Home / 88,862.02-132,725.53-80,415.43

Finding the Fourth Proportional to 88,862.02, 132,725.53 and 80,415.43

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Solution

The fourth proportional to 88,862.02, 132,725.53 and 80,415.43 is: 120,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,862.02 : 132,725.53 = 80,415.43 : x
  2. Step 2: Convert to fraction form
    88,862.02/132,725.53 = 80,415.43/x
  3. Step 3: Cross multiply
    88,862.02x = 132,725.53 × 80,415.43
  4. Step 4: Simplify right side
    88,862.02x = 10,673,180,566.93
  5. Step 5: Solve for x
    x = 10,673,180,566.93/88,862.02
  6. Step 6: Final answer
    x = 120,109.59

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.