Finding the Fourth Proportional to 70,888.28, 106,347.68 and 35,368.70
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Solution
The fourth proportional to 70,888.28, 106,347.68 and 35,368.70 is: 53,060.66
Step by Step Solution
- Step 1: Write the proportion equation
70,888.28 : 106,347.68 = 35,368.70 : x - Step 2: Convert to fraction form
70,888.28/106,347.68 = 35,368.70/x - Step 3: Cross multiply
70,888.28x = 106,347.68 × 35,368.70 - Step 4: Simplify right side
70,888.28x = 3,761,379,012.77 - Step 5: Solve for x
x = 3,761,379,012.77/70,888.28 - Step 6: Final answer
x = 53,060.66
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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.