Finding the Fourth Proportional to 93,747.76, 129,327.18 and 57,924.88
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Solution
The fourth proportional to 93,747.76, 129,327.18 and 57,924.88 is: 79,908.70
Step by Step Solution
- Step 1: Write the proportion equation
93,747.76 : 129,327.18 = 57,924.88 : x - Step 2: Convert to fraction form
93,747.76/129,327.18 = 57,924.88/x - Step 3: Cross multiply
93,747.76x = 129,327.18 × 57,924.88 - Step 4: Simplify right side
93,747.76x = 7,491,261,382.24 - Step 5: Solve for x
x = 7,491,261,382.24/93,747.76 - Step 6: Final answer
x = 79,908.70
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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.