Finding the Fourth Proportional to 97,865.02, 135,118.78 and 75,163.44
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Solution
The fourth proportional to 97,865.02, 135,118.78 and 75,163.44 is: 103,775.51
Step by Step Solution
- Step 1: Write the proportion equation
97,865.02 : 135,118.78 = 75,163.44 : x - Step 2: Convert to fraction form
97,865.02/135,118.78 = 75,163.44/x - Step 3: Cross multiply
97,865.02x = 135,118.78 × 75,163.44 - Step 4: Simplify right side
97,865.02x = 10,155,992,313.40 - Step 5: Solve for x
x = 10,155,992,313.40/97,865.02 - Step 6: Final answer
x = 103,775.51
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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.