Finding the Fourth Proportional to 97,900.21, 135,107.63 and 55,467.01
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Solution
The fourth proportional to 97,900.21, 135,107.63 and 55,467.01 is: 76,547.50
Step by Step Solution
- Step 1: Write the proportion equation
97,900.21 : 135,107.63 = 55,467.01 : x - Step 2: Convert to fraction form
97,900.21/135,107.63 = 55,467.01/x - Step 3: Cross multiply
97,900.21x = 135,107.63 × 55,467.01 - Step 4: Simplify right side
97,900.21x = 7,494,016,264.29 - Step 5: Solve for x
x = 7,494,016,264.29/97,900.21 - Step 6: Final answer
x = 76,547.50
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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.