Finding the Fourth Proportional to 94,916.49, 130,980.69 and 54,602.79
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Solution
The fourth proportional to 94,916.49, 130,980.69 and 54,602.79 is: 75,349.51
Step by Step Solution
- Step 1: Write the proportion equation
94,916.49 : 130,980.69 = 54,602.79 : x - Step 2: Convert to fraction form
94,916.49/130,980.69 = 54,602.79/x - Step 3: Cross multiply
94,916.49x = 130,980.69 × 54,602.79 - Step 4: Simplify right side
94,916.49x = 7,151,911,110.13 - Step 5: Solve for x
x = 7,151,911,110.13/94,916.49 - Step 6: Final answer
x = 75,349.51
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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.