Finding the Fourth Proportional to 74,394.11, 112,102.58 and 61,534.55
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Solution
The fourth proportional to 74,394.11, 112,102.58 and 61,534.55 is: 92,724.84
Step by Step Solution
- Step 1: Write the proportion equation
74,394.11 : 112,102.58 = 61,534.55 : x - Step 2: Convert to fraction form
74,394.11/112,102.58 = 61,534.55/x - Step 3: Cross multiply
74,394.11x = 112,102.58 × 61,534.55 - Step 4: Simplify right side
74,394.11x = 6,898,182,248.23 - Step 5: Solve for x
x = 6,898,182,248.23/74,394.11 - Step 6: Final answer
x = 92,724.84
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.