Finding the Fourth Proportional to 96,678.09, 145,024.12 and 40,461.63
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Solution
The fourth proportional to 96,678.09, 145,024.12 and 40,461.63 is: 60,695.38
Step by Step Solution
- Step 1: Write the proportion equation
96,678.09 : 145,024.12 = 40,461.63 : x - Step 2: Convert to fraction form
96,678.09/145,024.12 = 40,461.63/x - Step 3: Cross multiply
96,678.09x = 145,024.12 × 40,461.63 - Step 4: Simplify right side
96,678.09x = 5,867,913,014.89 - Step 5: Solve for x
x = 5,867,913,014.89/96,678.09 - Step 6: Final answer
x = 60,695.38
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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.