Home / 88,915.38-122,703.42-48,629.34

Finding the Fourth Proportional to 88,915.38, 122,703.42 and 48,629.34

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Solution

The fourth proportional to 88,915.38, 122,703.42 and 48,629.34 is: 67,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,915.38 : 122,703.42 = 48,629.34 : x
  2. Step 2: Convert to fraction form
    88,915.38/122,703.42 = 48,629.34/x
  3. Step 3: Cross multiply
    88,915.38x = 122,703.42 × 48,629.34
  4. Step 4: Simplify right side
    88,915.38x = 5,966,986,330.34
  5. Step 5: Solve for x
    x = 5,966,986,330.34/88,915.38
  6. Step 6: Final answer
    x = 67,108.60

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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.