Finding the Fourth Proportional to 93,798.56, 129,441.98 and 51,357.08
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Solution
The fourth proportional to 93,798.56, 129,441.98 and 51,357.08 is: 70,872.75
Step by Step Solution
- Step 1: Write the proportion equation
93,798.56 : 129,441.98 = 51,357.08 : x - Step 2: Convert to fraction form
93,798.56/129,441.98 = 51,357.08/x - Step 3: Cross multiply
93,798.56x = 129,441.98 × 51,357.08 - Step 4: Simplify right side
93,798.56x = 6,647,762,122.22 - Step 5: Solve for x
x = 6,647,762,122.22/93,798.56 - Step 6: Final answer
x = 70,872.75
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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.