Finding the Fourth Proportional to 93,714.99, 129,330.09 and 53,422.23
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Solution
The fourth proportional to 93,714.99, 129,330.09 and 53,422.23 is: 73,724.62
Step by Step Solution
- Step 1: Write the proportion equation
93,714.99 : 129,330.09 = 53,422.23 : x - Step 2: Convert to fraction form
93,714.99/129,330.09 = 53,422.23/x - Step 3: Cross multiply
93,714.99x = 129,330.09 × 53,422.23 - Step 4: Simplify right side
93,714.99x = 6,909,101,813.90 - Step 5: Solve for x
x = 6,909,101,813.90/93,714.99 - Step 6: Final answer
x = 73,724.62
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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.