Finding the Fourth Proportional to 97,720.14, 146,416.94 and 94,079.82
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Solution
The fourth proportional to 97,720.14, 146,416.94 and 94,079.82 is: 140,962.54
Step by Step Solution
- Step 1: Write the proportion equation
97,720.14 : 146,416.94 = 94,079.82 : x - Step 2: Convert to fraction form
97,720.14/146,416.94 = 94,079.82/x - Step 3: Cross multiply
97,720.14x = 146,416.94 × 94,079.82 - Step 4: Simplify right side
97,720.14x = 13,774,879,360.15 - Step 5: Solve for x
x = 13,774,879,360.15/97,720.14 - Step 6: Final answer
x = 140,962.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.