Finding the Fourth Proportional to 94,024.36, 141,031.36 and 68,749.76
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Solution
The fourth proportional to 94,024.36, 141,031.36 and 68,749.76 is: 103,120.86
Step by Step Solution
- Step 1: Write the proportion equation
94,024.36 : 141,031.36 = 68,749.76 : x - Step 2: Convert to fraction form
94,024.36/141,031.36 = 68,749.76/x - Step 3: Cross multiply
94,024.36x = 141,031.36 × 68,749.76 - Step 4: Simplify right side
94,024.36x = 9,695,872,590.99 - Step 5: Solve for x
x = 9,695,872,590.99/94,024.36 - Step 6: Final answer
x = 103,120.86
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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.