Finding the Fourth Proportional to 88,782.77, 122,515.53 and 48,495.95
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Solution
The fourth proportional to 88,782.77, 122,515.53 and 48,495.95 is: 66,921.84
Step by Step Solution
- Step 1: Write the proportion equation
88,782.77 : 122,515.53 = 48,495.95 : x - Step 2: Convert to fraction form
88,782.77/122,515.53 = 48,495.95/x - Step 3: Cross multiply
88,782.77x = 122,515.53 × 48,495.95 - Step 4: Simplify right side
88,782.77x = 5,941,506,404.53 - Step 5: Solve for x
x = 5,941,506,404.53/88,782.77 - Step 6: Final answer
x = 66,921.84
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1.5x scale
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.