Home / 83,133.40-124,548.90-47,968.60

Finding the Fourth Proportional to 83,133.40, 124,548.90 and 47,968.60

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Solution

The fourth proportional to 83,133.40, 124,548.90 and 47,968.60 is: 71,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,133.40 : 124,548.90 = 47,968.60 : x
  2. Step 2: Convert to fraction form
    83,133.40/124,548.90 = 47,968.60/x
  3. Step 3: Cross multiply
    83,133.40x = 124,548.90 × 47,968.60
  4. Step 4: Simplify right side
    83,133.40x = 5,974,436,364.54
  5. Step 5: Solve for x
    x = 5,974,436,364.54/83,133.40
  6. Step 6: Final answer
    x = 71,865.66

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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.