Finding the Fourth Proportional to 97,587.84, 134,621.76 and 61,717.44
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Solution
The fourth proportional to 97,587.84, 134,621.76 and 61,717.44 is: 85,138.79
Step by Step Solution
- Step 1: Write the proportion equation
97,587.84 : 134,621.76 = 61,717.44 : x - Step 2: Convert to fraction form
97,587.84/134,621.76 = 61,717.44/x - Step 3: Cross multiply
97,587.84x = 134,621.76 × 61,717.44 - Step 4: Simplify right side
97,587.84x = 8,308,510,395.49 - Step 5: Solve for x
x = 8,308,510,395.49/97,587.84 - Step 6: Final answer
x = 85,138.79
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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.