Finding the Fourth Proportional to 96,930.76, 133,762.70 and 59,205.02
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Solution
The fourth proportional to 96,930.76, 133,762.70 and 59,205.02 is: 81,701.86
Step by Step Solution
- Step 1: Write the proportion equation
96,930.76 : 133,762.70 = 59,205.02 : x - Step 2: Convert to fraction form
96,930.76/133,762.70 = 59,205.02/x - Step 3: Cross multiply
96,930.76x = 133,762.70 × 59,205.02 - Step 4: Simplify right side
96,930.76x = 7,919,423,328.75 - Step 5: Solve for x
x = 7,919,423,328.75/96,930.76 - Step 6: Final answer
x = 81,701.86
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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.