Finding the Fourth Proportional to 97,901.77, 135,107.18 and 55,460.29
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Solution
The fourth proportional to 97,901.77, 135,107.18 and 55,460.29 is: 76,536.75
Step by Step Solution
- Step 1: Write the proportion equation
97,901.77 : 135,107.18 = 55,460.29 : x - Step 2: Convert to fraction form
97,901.77/135,107.18 = 55,460.29/x - Step 3: Cross multiply
97,901.77x = 135,107.18 × 55,460.29 - Step 4: Simplify right side
97,901.77x = 7,493,083,383.88 - Step 5: Solve for x
x = 7,493,083,383.88/97,901.77 - Step 6: Final answer
x = 76,536.75
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1.5x scale
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.