Finding the Fourth Proportional to 97,609.10, 134,740.98 and 59,381.06
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Solution
The fourth proportional to 97,609.10, 134,740.98 and 59,381.06 is: 81,970.45
Step by Step Solution
- Step 1: Write the proportion equation
97,609.10 : 134,740.98 = 59,381.06 : x - Step 2: Convert to fraction form
97,609.10/134,740.98 = 59,381.06/x - Step 3: Cross multiply
97,609.10x = 134,740.98 × 59,381.06 - Step 4: Simplify right side
97,609.10x = 8,001,061,544.13 - Step 5: Solve for x
x = 8,001,061,544.13/97,609.10 - Step 6: Final answer
x = 81,970.45
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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.