Finding the Fourth Proportional to 88,609.28, 122,281.02 and 50,369.08
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Solution
The fourth proportional to 88,609.28, 122,281.02 and 50,369.08 is: 69,509.45
Step by Step Solution
- Step 1: Write the proportion equation
88,609.28 : 122,281.02 = 50,369.08 : x - Step 2: Convert to fraction form
88,609.28/122,281.02 = 50,369.08/x - Step 3: Cross multiply
88,609.28x = 122,281.02 × 50,369.08 - Step 4: Simplify right side
88,609.28x = 6,159,182,478.86 - Step 5: Solve for x
x = 6,159,182,478.86/88,609.28 - Step 6: Final answer
x = 69,509.45
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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.