Finding the Fourth Proportional to 97,455.13, 134,488.14 and 52,743.13
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Solution
The fourth proportional to 97,455.13, 134,488.14 and 52,743.13 is: 72,785.55
Step by Step Solution
- Step 1: Write the proportion equation
97,455.13 : 134,488.14 = 52,743.13 : x - Step 2: Convert to fraction form
97,455.13/134,488.14 = 52,743.13/x - Step 3: Cross multiply
97,455.13x = 134,488.14 × 52,743.13 - Step 4: Simplify right side
97,455.13x = 7,093,325,451.48 - Step 5: Solve for x
x = 7,093,325,451.48/97,455.13 - Step 6: Final answer
x = 72,785.55
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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.