Finding the Fourth Proportional to 99,593.77, 137,437.65 and 54,272.08
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Solution
The fourth proportional to 99,593.77, 137,437.65 and 54,272.08 is: 74,894.52
Step by Step Solution
- Step 1: Write the proportion equation
99,593.77 : 137,437.65 = 54,272.08 : x - Step 2: Convert to fraction form
99,593.77/137,437.65 = 54,272.08/x - Step 3: Cross multiply
99,593.77x = 137,437.65 × 54,272.08 - Step 4: Simplify right side
99,593.77x = 7,459,027,135.81 - Step 5: Solve for x
x = 7,459,027,135.81/99,593.77 - Step 6: Final answer
x = 74,894.52
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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.