Home / 88,089.02-132,099.60-31,912.46

Finding the Fourth Proportional to 88,089.02, 132,099.60 and 31,912.46

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Solution

The fourth proportional to 88,089.02, 132,099.60 and 31,912.46 is: 47,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,089.02 : 132,099.60 = 31,912.46 : x
  2. Step 2: Convert to fraction form
    88,089.02/132,099.60 = 31,912.46/x
  3. Step 3: Cross multiply
    88,089.02x = 132,099.60 × 31,912.46
  4. Step 4: Simplify right side
    88,089.02x = 4,215,623,201.02
  5. Step 5: Solve for x
    x = 4,215,623,201.02/88,089.02
  6. Step 6: Final answer
    x = 47,856.40

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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.