Finding the Fourth Proportional to 77,315.79, 115,991.84 and 24,005.03
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Solution
The fourth proportional to 77,315.79, 115,991.84 and 24,005.03 is: 36,013.17
Step by Step Solution
- Step 1: Write the proportion equation
77,315.79 : 115,991.84 = 24,005.03 : x - Step 2: Convert to fraction form
77,315.79/115,991.84 = 24,005.03/x - Step 3: Cross multiply
77,315.79x = 115,991.84 × 24,005.03 - Step 4: Simplify right side
77,315.79x = 2,784,386,898.97 - Step 5: Solve for x
x = 2,784,386,898.97/77,315.79 - Step 6: Final answer
x = 36,013.17
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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.