Finding the Fourth Proportional to 117,487.08, 162,132.30 and 63,772.08
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Solution
The fourth proportional to 117,487.08, 162,132.30 and 63,772.08 is: 88,005.54
Step by Step Solution
- Step 1: Write the proportion equation
117,487.08 : 162,132.30 = 63,772.08 : x - Step 2: Convert to fraction form
117,487.08/162,132.30 = 63,772.08/x - Step 3: Cross multiply
117,487.08x = 162,132.30 × 63,772.08 - Step 4: Simplify right side
117,487.08x = 10,339,514,006.18 - Step 5: Solve for x
x = 10,339,514,006.18/117,487.08 - Step 6: Final answer
x = 88,005.54
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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.