Finding the Fourth Proportional to 84,970.31, 127,380.95 and 32,344.79
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Solution
The fourth proportional to 84,970.31, 127,380.95 and 32,344.79 is: 48,488.82
Step by Step Solution
- Step 1: Write the proportion equation
84,970.31 : 127,380.95 = 32,344.79 : x - Step 2: Convert to fraction form
84,970.31/127,380.95 = 32,344.79/x - Step 3: Cross multiply
84,970.31x = 127,380.95 × 32,344.79 - Step 4: Simplify right side
84,970.31x = 4,120,109,916.03 - Step 5: Solve for x
x = 4,120,109,916.03/84,970.31 - Step 6: Final answer
x = 48,488.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.