Finding the Fourth Proportional to 117,316.58, 175,931.12 and 61,132.55
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Solution
The fourth proportional to 117,316.58, 175,931.12 and 61,132.55 is: 91,676.03
Step by Step Solution
- Step 1: Write the proportion equation
117,316.58 : 175,931.12 = 61,132.55 : x - Step 2: Convert to fraction form
117,316.58/175,931.12 = 61,132.55/x - Step 3: Cross multiply
117,316.58x = 175,931.12 × 61,132.55 - Step 4: Simplify right side
117,316.58x = 10,755,117,263.13 - Step 5: Solve for x
x = 10,755,117,263.13/117,316.58 - Step 6: Final answer
x = 91,676.03
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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.