Finding the Fourth Proportional to 117,675.94, 162,393.88 and 63,961.08
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Solution
The fourth proportional to 117,675.94, 162,393.88 and 63,961.08 is: 88,266.88
Step by Step Solution
- Step 1: Write the proportion equation
117,675.94 : 162,393.88 = 63,961.08 : x - Step 2: Convert to fraction form
117,675.94/162,393.88 = 63,961.08/x - Step 3: Cross multiply
117,675.94x = 162,393.88 × 63,961.08 - Step 4: Simplify right side
117,675.94x = 10,386,887,950.19 - Step 5: Solve for x
x = 10,386,887,950.19/117,675.94 - Step 6: Final answer
x = 88,266.88
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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.