Finding the Fourth Proportional to 88,564.05, 122,215.55 and 48,277.17
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Solution
The fourth proportional to 88,564.05, 122,215.55 and 48,277.17 is: 66,620.94
Step by Step Solution
- Step 1: Write the proportion equation
88,564.05 : 122,215.55 = 48,277.17 : x - Step 2: Convert to fraction form
88,564.05/122,215.55 = 48,277.17/x - Step 3: Cross multiply
88,564.05x = 122,215.55 × 48,277.17 - Step 4: Simplify right side
88,564.05x = 5,900,220,642.61 - Step 5: Solve for x
x = 5,900,220,642.61/88,564.05 - Step 6: Final answer
x = 66,620.94
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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.