Home / 83,548.82-124,455.04-79,021.73

Finding the Fourth Proportional to 83,548.82, 124,455.04 and 79,021.73

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Solution

The fourth proportional to 83,548.82, 124,455.04 and 79,021.73 is: 117,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,548.82 : 124,455.04 = 79,021.73 : x
  2. Step 2: Convert to fraction form
    83,548.82/124,455.04 = 79,021.73/x
  3. Step 3: Cross multiply
    83,548.82x = 124,455.04 × 79,021.73
  4. Step 4: Simplify right side
    83,548.82x = 9,834,652,568.02
  5. Step 5: Solve for x
    x = 9,834,652,568.02/83,548.82
  6. Step 6: Final answer
    x = 117,711.45

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1.5x scale

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.