Finding the Fourth Proportional to 77,998.14, 107,637.45 and 44,013.84
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Solution
The fourth proportional to 77,998.14, 107,637.45 and 44,013.84 is: 60,739.11
Step by Step Solution
- Step 1: Write the proportion equation
77,998.14 : 107,637.45 = 44,013.84 : x - Step 2: Convert to fraction form
77,998.14/107,637.45 = 44,013.84/x - Step 3: Cross multiply
77,998.14x = 107,637.45 × 44,013.84 - Step 4: Simplify right side
77,998.14x = 4,737,537,502.31 - Step 5: Solve for x
x = 4,737,537,502.31/77,998.14 - Step 6: Final answer
x = 60,739.11
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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.