Finding the Fourth Proportional to 76,386.84, 114,586.41 and 29,024.63
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Solution
The fourth proportional to 76,386.84, 114,586.41 and 29,024.63 is: 43,539.28
Step by Step Solution
- Step 1: Write the proportion equation
76,386.84 : 114,586.41 = 29,024.63 : x - Step 2: Convert to fraction form
76,386.84/114,586.41 = 29,024.63/x - Step 3: Cross multiply
76,386.84x = 114,586.41 × 29,024.63 - Step 4: Simplify right side
76,386.84x = 3,325,828,153.28 - Step 5: Solve for x
x = 3,325,828,153.28/76,386.84 - Step 6: Final answer
x = 43,539.28
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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.