Finding the Fourth Proportional to 117,587.35, 162,273.57 and 63,875.44
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Solution
The fourth proportional to 117,587.35, 162,273.57 and 63,875.44 is: 88,149.75
Step by Step Solution
- Step 1: Write the proportion equation
117,587.35 : 162,273.57 = 63,875.44 : x - Step 2: Convert to fraction form
117,587.35/162,273.57 = 63,875.44/x - Step 3: Cross multiply
117,587.35x = 162,273.57 × 63,875.44 - Step 4: Simplify right side
117,587.35x = 10,365,295,364.74 - Step 5: Solve for x
x = 10,365,295,364.74/117,587.35 - Step 6: Final answer
x = 88,149.75
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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.