Finding the Fourth Proportional to 94,395.96, 141,681.42 and 47,681.64
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Solution
The fourth proportional to 94,395.96, 141,681.42 and 47,681.64 is: 71,566.65
Step by Step Solution
- Step 1: Write the proportion equation
94,395.96 : 141,681.42 = 47,681.64 : x - Step 2: Convert to fraction form
94,395.96/141,681.42 = 47,681.64/x - Step 3: Cross multiply
94,395.96x = 141,681.42 × 47,681.64 - Step 4: Simplify right side
94,395.96x = 6,755,602,463.13 - Step 5: Solve for x
x = 6,755,602,463.13/94,395.96 - Step 6: Final answer
x = 71,566.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.