Finding the Fourth Proportional to 97,137.78, 134,032.36 and 54,116.23
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Solution
The fourth proportional to 97,137.78, 134,032.36 and 54,116.23 is: 74,670.49
Step by Step Solution
- Step 1: Write the proportion equation
97,137.78 : 134,032.36 = 54,116.23 : x - Step 2: Convert to fraction form
97,137.78/134,032.36 = 54,116.23/x - Step 3: Cross multiply
97,137.78x = 134,032.36 × 54,116.23 - Step 4: Simplify right side
97,137.78x = 7,253,326,021.20 - Step 5: Solve for x
x = 7,253,326,021.20/97,137.78 - Step 6: Final answer
x = 74,670.49
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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.