Finding the Fourth Proportional to 97,567.44, 134,635.68 and 55,129.92
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Solution
The fourth proportional to 97,567.44, 134,635.68 and 55,129.92 is: 76,075.12
Step by Step Solution
- Step 1: Write the proportion equation
97,567.44 : 134,635.68 = 55,129.92 : x - Step 2: Convert to fraction form
97,567.44/134,635.68 = 55,129.92/x - Step 3: Cross multiply
97,567.44x = 134,635.68 × 55,129.92 - Step 4: Simplify right side
97,567.44x = 7,422,454,267.55 - Step 5: Solve for x
x = 7,422,454,267.55/97,567.44 - Step 6: Final answer
x = 76,075.12
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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.