Finding the Fourth Proportional to 96,957.50, 133,691.03 and 68,267.99
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Solution
The fourth proportional to 96,957.50, 133,691.03 and 68,267.99 is: 94,132.15
Step by Step Solution
- Step 1: Write the proportion equation
96,957.50 : 133,691.03 = 68,267.99 : x - Step 2: Convert to fraction form
96,957.50/133,691.03 = 68,267.99/x - Step 3: Cross multiply
96,957.50x = 133,691.03 × 68,267.99 - Step 4: Simplify right side
96,957.50x = 9,126,817,312.45 - Step 5: Solve for x
x = 9,126,817,312.45/96,957.50 - Step 6: Final answer
x = 94,132.15
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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.