Finding the Fourth Proportional to 91,733.16, 137,582.35 and 28,554.08
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Solution
The fourth proportional to 91,733.16, 137,582.35 and 28,554.08 is: 42,825.70
Step by Step Solution
- Step 1: Write the proportion equation
91,733.16 : 137,582.35 = 28,554.08 : x - Step 2: Convert to fraction form
91,733.16/137,582.35 = 28,554.08/x - Step 3: Cross multiply
91,733.16x = 137,582.35 × 28,554.08 - Step 4: Simplify right side
91,733.16x = 3,928,536,669.19 - Step 5: Solve for x
x = 3,928,536,669.19/91,733.16 - Step 6: Final answer
x = 42,825.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.