Finding the Fourth Proportional to 88,705.80, 133,079.97 and 29,541.99
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Solution
The fourth proportional to 88,705.80, 133,079.97 and 29,541.99 is: 44,320.07
Step by Step Solution
- Step 1: Write the proportion equation
88,705.80 : 133,079.97 = 29,541.99 : x - Step 2: Convert to fraction form
88,705.80/133,079.97 = 29,541.99/x - Step 3: Cross multiply
88,705.80x = 133,079.97 × 29,541.99 - Step 4: Simplify right side
88,705.80x = 3,931,447,142.94 - Step 5: Solve for x
x = 3,931,447,142.94/88,705.80 - Step 6: Final answer
x = 44,320.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.