Finding the Fourth Proportional to 84,963.79, 117,310.04 and 61,097.95
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Solution
The fourth proportional to 84,963.79, 117,310.04 and 61,097.95 is: 84,358.32
Step by Step Solution
- Step 1: Write the proportion equation
84,963.79 : 117,310.04 = 61,097.95 : x - Step 2: Convert to fraction form
84,963.79/117,310.04 = 61,097.95/x - Step 3: Cross multiply
84,963.79x = 117,310.04 × 61,097.95 - Step 4: Simplify right side
84,963.79x = 7,167,402,958.42 - Step 5: Solve for x
x = 7,167,402,958.42/84,963.79 - Step 6: Final answer
x = 84,358.32
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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.