Home / 69,642.03-96,111.09-39,017.82

Finding the Fourth Proportional to 69,642.03, 96,111.09 and 39,017.82

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Solution

The fourth proportional to 69,642.03, 96,111.09 and 39,017.82 is: 53,847.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,642.03 : 96,111.09 = 39,017.82 : x
  2. Step 2: Convert to fraction form
    69,642.03/96,111.09 = 39,017.82/x
  3. Step 3: Cross multiply
    69,642.03x = 96,111.09 × 39,017.82
  4. Step 4: Simplify right side
    69,642.03x = 3,750,045,209.62
  5. Step 5: Solve for x
    x = 3,750,045,209.62/69,642.03
  6. Step 6: Final answer
    x = 53,847.44

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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.