Finding the Fourth Proportional to 95,235.84, 142,859.52 and 39,813.12
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Solution
The fourth proportional to 95,235.84, 142,859.52 and 39,813.12 is: 59,722.09
Step by Step Solution
- Step 1: Write the proportion equation
95,235.84 : 142,859.52 = 39,813.12 : x - Step 2: Convert to fraction form
95,235.84/142,859.52 = 39,813.12/x - Step 3: Cross multiply
95,235.84x = 142,859.52 × 39,813.12 - Step 4: Simplify right side
95,235.84x = 5,687,683,212.90 - Step 5: Solve for x
x = 5,687,683,212.90/95,235.84 - Step 6: Final answer
x = 59,722.09
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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.