Finding the Fourth Proportional to 83,553.53, 125,332.11 and 20,374.08
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Solution
The fourth proportional to 83,553.53, 125,332.11 and 20,374.08 is: 30,561.57
Step by Step Solution
- Step 1: Write the proportion equation
83,553.53 : 125,332.11 = 20,374.08 : x - Step 2: Convert to fraction form
83,553.53/125,332.11 = 20,374.08/x - Step 3: Cross multiply
83,553.53x = 125,332.11 × 20,374.08 - Step 4: Simplify right side
83,553.53x = 2,553,526,670.71 - Step 5: Solve for x
x = 2,553,526,670.71/83,553.53 - Step 6: Final answer
x = 30,561.57
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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.