Finding the Fourth Proportional to 77,579.68, 107,060.08 and 44,045.68
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Solution
The fourth proportional to 77,579.68, 107,060.08 and 44,045.68 is: 60,783.11
Step by Step Solution
- Step 1: Write the proportion equation
77,579.68 : 107,060.08 = 44,045.68 : x - Step 2: Convert to fraction form
77,579.68/107,060.08 = 44,045.68/x - Step 3: Cross multiply
77,579.68x = 107,060.08 × 44,045.68 - Step 4: Simplify right side
77,579.68x = 4,715,534,024.45 - Step 5: Solve for x
x = 4,715,534,024.45/77,579.68 - Step 6: Final answer
x = 60,783.11
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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.