Finding the Fourth Proportional to 93,823.80, 129,444.70 and 53,508.44
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Solution
The fourth proportional to 93,823.80, 129,444.70 and 53,508.44 is: 73,823.32
Step by Step Solution
- Step 1: Write the proportion equation
93,823.80 : 129,444.70 = 53,508.44 : x - Step 2: Convert to fraction form
93,823.80/129,444.70 = 53,508.44/x - Step 3: Cross multiply
93,823.80x = 129,444.70 × 53,508.44 - Step 4: Simplify right side
93,823.80x = 6,926,383,963.27 - Step 5: Solve for x
x = 6,926,383,963.27/93,823.80 - Step 6: Final answer
x = 73,823.32
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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.