Finding the Fourth Proportional to 98,740.08, 136,260.75 and 53,417.94
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Solution
The fourth proportional to 98,740.08, 136,260.75 and 53,417.94 is: 73,716.45
Step by Step Solution
- Step 1: Write the proportion equation
98,740.08 : 136,260.75 = 53,417.94 : x - Step 2: Convert to fraction form
98,740.08/136,260.75 = 53,417.94/x - Step 3: Cross multiply
98,740.08x = 136,260.75 × 53,417.94 - Step 4: Simplify right side
98,740.08x = 7,278,768,567.86 - Step 5: Solve for x
x = 7,278,768,567.86/98,740.08 - Step 6: Final answer
x = 73,716.45
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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.