Finding the Fourth Proportional to 83,170.08, 114,774.60 and 47,360.09
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Solution
The fourth proportional to 83,170.08, 114,774.60 and 47,360.09 is: 65,356.86
Step by Step Solution
- Step 1: Write the proportion equation
83,170.08 : 114,774.60 = 47,360.09 : x - Step 2: Convert to fraction form
83,170.08/114,774.60 = 47,360.09/x - Step 3: Cross multiply
83,170.08x = 114,774.60 × 47,360.09 - Step 4: Simplify right side
83,170.08x = 5,435,735,148.91 - Step 5: Solve for x
x = 5,435,735,148.91/83,170.08 - Step 6: Final answer
x = 65,356.86
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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.