Finding the Fourth Proportional to 76,699.28, 115,053.88 and 24,110.80
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Solution
The fourth proportional to 76,699.28, 115,053.88 and 24,110.80 is: 36,167.76
Step by Step Solution
- Step 1: Write the proportion equation
76,699.28 : 115,053.88 = 24,110.80 : x - Step 2: Convert to fraction form
76,699.28/115,053.88 = 24,110.80/x - Step 3: Cross multiply
76,699.28x = 115,053.88 × 24,110.80 - Step 4: Simplify right side
76,699.28x = 2,774,041,089.90 - Step 5: Solve for x
x = 2,774,041,089.90/76,699.28 - Step 6: Final answer
x = 36,167.76
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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.