Finding the Fourth Proportional to 97,866.81, 135,053.91 and 57,583.18
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Solution
The fourth proportional to 97,866.81, 135,053.91 and 57,583.18 is: 79,463.44
Step by Step Solution
- Step 1: Write the proportion equation
97,866.81 : 135,053.91 = 57,583.18 : x - Step 2: Convert to fraction form
97,866.81/135,053.91 = 57,583.18/x - Step 3: Cross multiply
97,866.81x = 135,053.91 × 57,583.18 - Step 4: Simplify right side
97,866.81x = 7,776,833,778.05 - Step 5: Solve for x
x = 7,776,833,778.05/97,866.81 - Step 6: Final answer
x = 79,463.44
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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.