Finding the Fourth Proportional to 88,309.84, 121,874.40 and 50,584.84
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Solution
The fourth proportional to 88,309.84, 121,874.40 and 50,584.84 is: 69,810.99
Step by Step Solution
- Step 1: Write the proportion equation
88,309.84 : 121,874.40 = 50,584.84 : x - Step 2: Convert to fraction form
88,309.84/121,874.40 = 50,584.84/x - Step 3: Cross multiply
88,309.84x = 121,874.40 × 50,584.84 - Step 4: Simplify right side
88,309.84x = 6,164,997,024.10 - Step 5: Solve for x
x = 6,164,997,024.10/88,309.84 - Step 6: Final answer
x = 69,810.99
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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.