Finding the Fourth Proportional to 93,743.44, 129,369.80 and 51,305.68
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Solution
The fourth proportional to 93,743.44, 129,369.80 and 51,305.68 is: 70,803.95
Step by Step Solution
- Step 1: Write the proportion equation
93,743.44 : 129,369.80 = 51,305.68 : x - Step 2: Convert to fraction form
93,743.44/129,369.80 = 51,305.68/x - Step 3: Cross multiply
93,743.44x = 129,369.80 × 51,305.68 - Step 4: Simplify right side
93,743.44x = 6,637,405,560.46 - Step 5: Solve for x
x = 6,637,405,560.46/93,743.44 - Step 6: Final answer
x = 70,803.95
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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.