Finding the Fourth Proportional to 88,627.53, 122,307.43 and 48,341.28
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Solution
The fourth proportional to 88,627.53, 122,307.43 and 48,341.28 is: 66,711.75
Step by Step Solution
- Step 1: Write the proportion equation
88,627.53 : 122,307.43 = 48,341.28 : x - Step 2: Convert to fraction form
88,627.53/122,307.43 = 48,341.28/x - Step 3: Cross multiply
88,627.53x = 122,307.43 × 48,341.28 - Step 4: Simplify right side
88,627.53x = 5,912,496,866.47 - Step 5: Solve for x
x = 5,912,496,866.47/88,627.53 - Step 6: Final answer
x = 66,711.75
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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.