Finding the Fourth Proportional to 97,908.01, 135,107.76 and 55,465.63
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Solution
The fourth proportional to 97,908.01, 135,107.76 and 55,465.63 is: 76,539.57
Step by Step Solution
- Step 1: Write the proportion equation
97,908.01 : 135,107.76 = 55,465.63 : x - Step 2: Convert to fraction form
97,908.01/135,107.76 = 55,465.63/x - Step 3: Cross multiply
97,908.01x = 135,107.76 × 55,465.63 - Step 4: Simplify right side
97,908.01x = 7,493,837,026.29 - Step 5: Solve for x
x = 7,493,837,026.29/97,908.01 - Step 6: Final answer
x = 76,539.57
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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.