Finding the Fourth Proportional to 98,577.84, 136,037.32 and 53,865.84
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Solution
The fourth proportional to 98,577.84, 136,037.32 and 53,865.84 is: 74,334.80
Step by Step Solution
- Step 1: Write the proportion equation
98,577.84 : 136,037.32 = 53,865.84 : x - Step 2: Convert to fraction form
98,577.84/136,037.32 = 53,865.84/x - Step 3: Cross multiply
98,577.84x = 136,037.32 × 53,865.84 - Step 4: Simplify right side
98,577.84x = 7,327,764,513.15 - Step 5: Solve for x
x = 7,327,764,513.15/98,577.84 - Step 6: Final answer
x = 74,334.80
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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.