Finding the Fourth Proportional to 88,354.50, 121,929.21 and 48,610.50
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Solution
The fourth proportional to 88,354.50, 121,929.21 and 48,610.50 is: 67,082.49
Step by Step Solution
- Step 1: Write the proportion equation
88,354.50 : 121,929.21 = 48,610.50 : x - Step 2: Convert to fraction form
88,354.50/121,929.21 = 48,610.50/x - Step 3: Cross multiply
88,354.50x = 121,929.21 × 48,610.50 - Step 4: Simplify right side
88,354.50x = 5,927,039,862.71 - Step 5: Solve for x
x = 5,927,039,862.71/88,354.50 - Step 6: Final answer
x = 67,082.49
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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.