Home / 69,701.07-96,184.33-39,485.77

Finding the Fourth Proportional to 69,701.07, 96,184.33 and 39,485.77

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Solution

The fourth proportional to 69,701.07, 96,184.33 and 39,485.77 is: 54,488.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,701.07 : 96,184.33 = 39,485.77 : x
  2. Step 2: Convert to fraction form
    69,701.07/96,184.33 = 39,485.77/x
  3. Step 3: Cross multiply
    69,701.07x = 96,184.33 × 39,485.77
  4. Step 4: Simplify right side
    69,701.07x = 3,797,912,331.98
  5. Step 5: Solve for x
    x = 3,797,912,331.98/69,701.07
  6. Step 6: Final answer
    x = 54,488.58

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1.5x scale

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.