Finding the Fourth Proportional to 89,070.87, 133,603.05 and 26,739.75
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Solution
The fourth proportional to 89,070.87, 133,603.05 and 26,739.75 is: 40,108.65
Step by Step Solution
- Step 1: Write the proportion equation
89,070.87 : 133,603.05 = 26,739.75 : x - Step 2: Convert to fraction form
89,070.87/133,603.05 = 26,739.75/x - Step 3: Cross multiply
89,070.87x = 133,603.05 × 26,739.75 - Step 4: Simplify right side
89,070.87x = 3,572,512,156.24 - Step 5: Solve for x
x = 3,572,512,156.24/89,070.87 - Step 6: Final answer
x = 40,108.65
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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.