Finding the Fourth Proportional to 97,850.24, 134,998.08 and 55,393.28
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Solution
The fourth proportional to 97,850.24, 134,998.08 and 55,393.28 is: 76,422.77
Step by Step Solution
- Step 1: Write the proportion equation
97,850.24 : 134,998.08 = 55,393.28 : x - Step 2: Convert to fraction form
97,850.24/134,998.08 = 55,393.28/x - Step 3: Cross multiply
97,850.24x = 134,998.08 × 55,393.28 - Step 4: Simplify right side
97,850.24x = 7,477,986,444.90 - Step 5: Solve for x
x = 7,477,986,444.90/97,850.24 - Step 6: Final answer
x = 76,422.77
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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.