Finding the Fourth Proportional to 84,803.70, 117,038.40 and 48,508.53
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Solution
The fourth proportional to 84,803.70, 117,038.40 and 48,508.53 is: 66,947.09
Step by Step Solution
- Step 1: Write the proportion equation
84,803.70 : 117,038.40 = 48,508.53 : x - Step 2: Convert to fraction form
84,803.70/117,038.40 = 48,508.53/x - Step 3: Cross multiply
84,803.70x = 117,038.40 × 48,508.53 - Step 4: Simplify right side
84,803.70x = 5,677,360,737.55 - Step 5: Solve for x
x = 5,677,360,737.55/84,803.70 - Step 6: Final answer
x = 66,947.09
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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.