Finding the Fourth Proportional to 84,916.73, 117,061.58 and 59,343.70
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Solution
The fourth proportional to 84,916.73, 117,061.58 and 59,343.70 is: 81,807.99
Step by Step Solution
- Step 1: Write the proportion equation
84,916.73 : 117,061.58 = 59,343.70 : x - Step 2: Convert to fraction form
84,916.73/117,061.58 = 59,343.70/x - Step 3: Cross multiply
84,916.73x = 117,061.58 × 59,343.70 - Step 4: Simplify right side
84,916.73x = 6,946,867,285.05 - Step 5: Solve for x
x = 6,946,867,285.05/84,916.73 - Step 6: Final answer
x = 81,807.99
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1.5x scale
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.