Finding the Fourth Proportional to 68,909.19, 103,232.28 and 46,684.41
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Solution
The fourth proportional to 68,909.19, 103,232.28 and 46,684.41 is: 69,937.52
Step by Step Solution
- Step 1: Write the proportion equation
68,909.19 : 103,232.28 = 46,684.41 : x - Step 2: Convert to fraction form
68,909.19/103,232.28 = 46,684.41/x - Step 3: Cross multiply
68,909.19x = 103,232.28 × 46,684.41 - Step 4: Simplify right side
68,909.19x = 4,819,338,084.75 - Step 5: Solve for x
x = 4,819,338,084.75/68,909.19 - Step 6: Final answer
x = 69,937.52
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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.