Finding the Fourth Proportional to 97,709.25, 134,838.81 and 55,266.87
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Solution
The fourth proportional to 97,709.25, 134,838.81 and 55,266.87 is: 76,268.31
Step by Step Solution
- Step 1: Write the proportion equation
97,709.25 : 134,838.81 = 55,266.87 : x - Step 2: Convert to fraction form
97,709.25/134,838.81 = 55,266.87/x - Step 3: Cross multiply
97,709.25x = 134,838.81 × 55,266.87 - Step 4: Simplify right side
97,709.25x = 7,452,118,983.22 - Step 5: Solve for x
x = 7,452,118,983.22/97,709.25 - Step 6: Final answer
x = 76,268.31
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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.