Finding the Fourth Proportional to 97,079.87, 145,619.68 and 30,525.82
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Solution
The fourth proportional to 97,079.87, 145,619.68 and 30,525.82 is: 45,788.69
Step by Step Solution
- Step 1: Write the proportion equation
97,079.87 : 145,619.68 = 30,525.82 : x - Step 2: Convert to fraction form
97,079.87/145,619.68 = 30,525.82/x - Step 3: Cross multiply
97,079.87x = 145,619.68 × 30,525.82 - Step 4: Simplify right side
97,079.87x = 4,445,160,140.14 - Step 5: Solve for x
x = 4,445,160,140.14/97,079.87 - Step 6: Final answer
x = 45,788.69
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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.