Finding the Fourth Proportional to 97,476.48, 134,539.76 and 63,424.88
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Solution
The fourth proportional to 97,476.48, 134,539.76 and 63,424.88 is: 87,540.79
Step by Step Solution
- Step 1: Write the proportion equation
97,476.48 : 134,539.76 = 63,424.88 : x - Step 2: Convert to fraction form
97,476.48/134,539.76 = 63,424.88/x - Step 3: Cross multiply
97,476.48x = 134,539.76 × 63,424.88 - Step 4: Simplify right side
97,476.48x = 8,533,168,133.23 - Step 5: Solve for x
x = 8,533,168,133.23/97,476.48 - Step 6: Final answer
x = 87,540.79
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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.