Finding the Fourth Proportional to 90,655.77, 135,971.91 and 24,101.31
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Solution
The fourth proportional to 90,655.77, 135,971.91 and 24,101.31 is: 36,148.84
Step by Step Solution
- Step 1: Write the proportion equation
90,655.77 : 135,971.91 = 24,101.31 : x - Step 2: Convert to fraction form
90,655.77/135,971.91 = 24,101.31/x - Step 3: Cross multiply
90,655.77x = 135,971.91 × 24,101.31 - Step 4: Simplify right side
90,655.77x = 3,277,101,154.20 - Step 5: Solve for x
x = 3,277,101,154.20/90,655.77 - Step 6: Final answer
x = 36,148.84
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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.