Finding the Fourth Proportional to 97,599.92, 134,634.08 and 67,401.09
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Solution
The fourth proportional to 97,599.92, 134,634.08 and 67,401.09 is: 92,976.34
Step by Step Solution
- Step 1: Write the proportion equation
97,599.92 : 134,634.08 = 67,401.09 : x - Step 2: Convert to fraction form
97,599.92/134,634.08 = 67,401.09/x - Step 3: Cross multiply
97,599.92x = 134,634.08 × 67,401.09 - Step 4: Simplify right side
97,599.92x = 9,074,483,743.15 - Step 5: Solve for x
x = 9,074,483,743.15/97,599.92 - Step 6: Final answer
x = 92,976.34
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.