Finding the Fourth Proportional to 85,627.08, 118,162.14 and 47,901.30
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Solution
The fourth proportional to 85,627.08, 118,162.14 and 47,901.30 is: 66,101.99
Step by Step Solution
- Step 1: Write the proportion equation
85,627.08 : 118,162.14 = 47,901.30 : x - Step 2: Convert to fraction form
85,627.08/118,162.14 = 47,901.30/x - Step 3: Cross multiply
85,627.08x = 118,162.14 × 47,901.30 - Step 4: Simplify right side
85,627.08x = 5,660,120,116.78 - Step 5: Solve for x
x = 5,660,120,116.78/85,627.08 - Step 6: Final answer
x = 66,101.99
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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.