Finding the Fourth Proportional to 90,087.07, 135,152.63 and 63,484.95
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Solution
The fourth proportional to 90,087.07, 135,152.63 and 63,484.95 is: 95,242.95
Step by Step Solution
- Step 1: Write the proportion equation
90,087.07 : 135,152.63 = 63,484.95 : x - Step 2: Convert to fraction form
90,087.07/135,152.63 = 63,484.95/x - Step 3: Cross multiply
90,087.07x = 135,152.63 × 63,484.95 - Step 4: Simplify right side
90,087.07x = 8,580,157,957.92 - Step 5: Solve for x
x = 8,580,157,957.92/90,087.07 - Step 6: Final answer
x = 95,242.95
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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.