Finding the Fourth Proportional to 88,102.96, 121,582.96 and 47,817.08
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Solution
The fourth proportional to 88,102.96, 121,582.96 and 47,817.08 is: 65,988.05
Step by Step Solution
- Step 1: Write the proportion equation
88,102.96 : 121,582.96 = 47,817.08 : x - Step 2: Convert to fraction form
88,102.96/121,582.96 = 47,817.08/x - Step 3: Cross multiply
88,102.96x = 121,582.96 × 47,817.08 - Step 4: Simplify right side
88,102.96x = 5,813,742,124.96 - Step 5: Solve for x
x = 5,813,742,124.96/88,102.96 - Step 6: Final answer
x = 65,988.05
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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.