Finding the Fourth Proportional to 93,659.13, 129,250.62 and 51,216.75
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Solution
The fourth proportional to 93,659.13, 129,250.62 and 51,216.75 is: 70,679.67
Step by Step Solution
- Step 1: Write the proportion equation
93,659.13 : 129,250.62 = 51,216.75 : x - Step 2: Convert to fraction form
93,659.13/129,250.62 = 51,216.75/x - Step 3: Cross multiply
93,659.13x = 129,250.62 × 51,216.75 - Step 4: Simplify right side
93,659.13x = 6,619,796,691.89 - Step 5: Solve for x
x = 6,619,796,691.89/93,659.13 - Step 6: Final answer
x = 70,679.67
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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.