Finding the Fourth Proportional to 74,527.61, 102,848.02 and 42,696.63
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Solution
The fourth proportional to 74,527.61, 102,848.02 and 42,696.63 is: 58,921.31
Step by Step Solution
- Step 1: Write the proportion equation
74,527.61 : 102,848.02 = 42,696.63 : x - Step 2: Convert to fraction form
74,527.61/102,848.02 = 42,696.63/x - Step 3: Cross multiply
74,527.61x = 102,848.02 × 42,696.63 - Step 4: Simplify right side
74,527.61x = 4,391,263,856.17 - Step 5: Solve for x
x = 4,391,263,856.17/74,527.61 - Step 6: Final answer
x = 58,921.31
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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.