Home / 69,742.96-96,243.26-39,531.06

Finding the Fourth Proportional to 69,742.96, 96,243.26 and 39,531.06

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Solution

The fourth proportional to 69,742.96, 96,243.26 and 39,531.06 is: 54,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,742.96 : 96,243.26 = 39,531.06 : x
  2. Step 2: Convert to fraction form
    69,742.96/96,243.26 = 39,531.06/x
  3. Step 3: Cross multiply
    69,742.96x = 96,243.26 × 39,531.06
  4. Step 4: Simplify right side
    69,742.96x = 3,804,597,888.00
  5. Step 5: Solve for x
    x = 3,804,597,888.00/69,742.96
  6. Step 6: Final answer
    x = 54,551.71

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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.