Finding the Fourth Proportional to 97,623.84, 134,719.44 and 55,180.88
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Solution
The fourth proportional to 97,623.84, 134,719.44 and 55,180.88 is: 76,148.79
Step by Step Solution
- Step 1: Write the proportion equation
97,623.84 : 134,719.44 = 55,180.88 : x - Step 2: Convert to fraction form
97,623.84/134,719.44 = 55,180.88/x - Step 3: Cross multiply
97,623.84x = 134,719.44 × 55,180.88 - Step 4: Simplify right side
97,623.84x = 7,433,937,252.31 - Step 5: Solve for x
x = 7,433,937,252.31/97,623.84 - Step 6: Final answer
x = 76,148.79
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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.