Finding the Fourth Proportional to 88,774.65, 122,509.71 and 48,487.68
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Solution
The fourth proportional to 88,774.65, 122,509.71 and 48,487.68 is: 66,913.38
Step by Step Solution
- Step 1: Write the proportion equation
88,774.65 : 122,509.71 = 48,487.68 : x - Step 2: Convert to fraction form
88,774.65/122,509.71 = 48,487.68/x - Step 3: Cross multiply
88,774.65x = 122,509.71 × 48,487.68 - Step 4: Simplify right side
88,774.65x = 5,940,211,615.37 - Step 5: Solve for x
x = 5,940,211,615.37/88,774.65 - Step 6: Final answer
x = 66,913.38
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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.