Finding the Fourth Proportional to 88,363.80, 121,941.99 and 48,077.52
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Solution
The fourth proportional to 88,363.80, 121,941.99 and 48,077.52 is: 66,346.95
Step by Step Solution
- Step 1: Write the proportion equation
88,363.80 : 121,941.99 = 48,077.52 : x - Step 2: Convert to fraction form
88,363.80/121,941.99 = 48,077.52/x - Step 3: Cross multiply
88,363.80x = 121,941.99 × 48,077.52 - Step 4: Simplify right side
88,363.80x = 5,862,668,463.06 - Step 5: Solve for x
x = 5,862,668,463.06/88,363.80 - Step 6: Final answer
x = 66,346.95
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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.