Finding the Fourth Proportional to 88,107.84, 121,588.94 and 47,821.59
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Solution
The fourth proportional to 88,107.84, 121,588.94 and 47,821.59 is: 65,993.85
Step by Step Solution
- Step 1: Write the proportion equation
88,107.84 : 121,588.94 = 47,821.59 : x - Step 2: Convert to fraction form
88,107.84/121,588.94 = 47,821.59/x - Step 3: Cross multiply
88,107.84x = 121,588.94 × 47,821.59 - Step 4: Simplify right side
88,107.84x = 5,814,575,590.16 - Step 5: Solve for x
x = 5,814,575,590.16/88,107.84 - Step 6: Final answer
x = 65,993.85
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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.