Finding the Fourth Proportional to 77,594.84, 116,373.80 and 21,433.70
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Solution
The fourth proportional to 77,594.84, 116,373.80 and 21,433.70 is: 32,145.45
Step by Step Solution
- Step 1: Write the proportion equation
77,594.84 : 116,373.80 = 21,433.70 : x - Step 2: Convert to fraction form
77,594.84/116,373.80 = 21,433.70/x - Step 3: Cross multiply
77,594.84x = 116,373.80 × 21,433.70 - Step 4: Simplify right side
77,594.84x = 2,494,321,117.06 - Step 5: Solve for x
x = 2,494,321,117.06/77,594.84 - Step 6: Final answer
x = 32,145.45
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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.