Finding the Fourth Proportional to 88,909.70, 133,216.47 and 62,559.09
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Solution
The fourth proportional to 88,909.70, 133,216.47 and 62,559.09 is: 93,734.45
Step by Step Solution
- Step 1: Write the proportion equation
88,909.70 : 133,216.47 = 62,559.09 : x - Step 2: Convert to fraction form
88,909.70/133,216.47 = 62,559.09/x - Step 3: Cross multiply
88,909.70x = 133,216.47 × 62,559.09 - Step 4: Simplify right side
88,909.70x = 8,333,901,136.21 - Step 5: Solve for x
x = 8,333,901,136.21/88,909.70 - Step 6: Final answer
x = 93,734.45
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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.