Finding the Fourth Proportional to 102,302.76, 141,178.23 and 59,853.09
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Solution
The fourth proportional to 102,302.76, 141,178.23 and 59,853.09 is: 82,597.51
Step by Step Solution
- Step 1: Write the proportion equation
102,302.76 : 141,178.23 = 59,853.09 : x - Step 2: Convert to fraction form
102,302.76/141,178.23 = 59,853.09/x - Step 3: Cross multiply
102,302.76x = 141,178.23 × 59,853.09 - Step 4: Simplify right side
102,302.76x = 8,449,953,306.23 - Step 5: Solve for x
x = 8,449,953,306.23/102,302.76 - Step 6: Final answer
x = 82,597.51
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1.5x scale
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.