Finding the Fourth Proportional to 88,235.02, 121,763.94 and 47,948.05
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Solution
The fourth proportional to 88,235.02, 121,763.94 and 47,948.05 is: 66,168.10
Step by Step Solution
- Step 1: Write the proportion equation
88,235.02 : 121,763.94 = 47,948.05 : x - Step 2: Convert to fraction form
88,235.02/121,763.94 = 47,948.05/x - Step 3: Cross multiply
88,235.02x = 121,763.94 × 47,948.05 - Step 4: Simplify right side
88,235.02x = 5,838,342,874.50 - Step 5: Solve for x
x = 5,838,342,874.50/88,235.02 - Step 6: Final answer
x = 66,168.10
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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.