Finding the Fourth Proportional to 96,656.13, 133,386.48 and 54,213.75
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Solution
The fourth proportional to 96,656.13, 133,386.48 and 54,213.75 is: 74,815.55
Step by Step Solution
- Step 1: Write the proportion equation
96,656.13 : 133,386.48 = 54,213.75 : x - Step 2: Convert to fraction form
96,656.13/133,386.48 = 54,213.75/x - Step 3: Cross multiply
96,656.13x = 133,386.48 × 54,213.75 - Step 4: Simplify right side
96,656.13x = 7,231,381,280.10 - Step 5: Solve for x
x = 7,231,381,280.10/96,656.13 - Step 6: Final answer
x = 74,815.55
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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.