Finding the Fourth Proportional to 70,991.44, 106,456.08 and 26,587.05
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Solution
The fourth proportional to 70,991.44, 106,456.08 and 26,587.05 is: 39,868.94
Step by Step Solution
- Step 1: Write the proportion equation
70,991.44 : 106,456.08 = 26,587.05 : x - Step 2: Convert to fraction form
70,991.44/106,456.08 = 26,587.05/x - Step 3: Cross multiply
70,991.44x = 106,456.08 × 26,587.05 - Step 4: Simplify right side
70,991.44x = 2,830,353,387.90 - Step 5: Solve for x
x = 2,830,353,387.90/70,991.44 - Step 6: Final answer
x = 39,868.94
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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.