Finding the Fourth Proportional to 93,663.99, 129,271.58 and 69,624.62
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Solution
The fourth proportional to 93,663.99, 129,271.58 and 69,624.62 is: 96,093.32
Step by Step Solution
- Step 1: Write the proportion equation
93,663.99 : 129,271.58 = 69,624.62 : x - Step 2: Convert to fraction form
93,663.99/129,271.58 = 69,624.62/x - Step 3: Cross multiply
93,663.99x = 129,271.58 × 69,624.62 - Step 4: Simplify right side
93,663.99x = 9,000,483,639.82 - Step 5: Solve for x
x = 9,000,483,639.82/93,663.99 - Step 6: Final answer
x = 96,093.32
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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.