Finding the Fourth Proportional to 75,867.51, 104,746.47 and 67,896.03
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Solution
The fourth proportional to 75,867.51, 104,746.47 and 67,896.03 is: 93,740.65
Step by Step Solution
- Step 1: Write the proportion equation
75,867.51 : 104,746.47 = 67,896.03 : x - Step 2: Convert to fraction form
75,867.51/104,746.47 = 67,896.03/x - Step 3: Cross multiply
75,867.51x = 104,746.47 × 67,896.03 - Step 4: Simplify right side
75,867.51x = 7,111,869,469.51 - Step 5: Solve for x
x = 7,111,869,469.51/75,867.51 - Step 6: Final answer
x = 93,740.65
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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.