Finding the Fourth Proportional to 91,468.18, 137,102.18 and 47,097.59
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Solution
The fourth proportional to 91,468.18, 137,102.18 and 47,097.59 is: 70,594.85
Step by Step Solution
- Step 1: Write the proportion equation
91,468.18 : 137,102.18 = 47,097.59 : x - Step 2: Convert to fraction form
91,468.18/137,102.18 = 47,097.59/x - Step 3: Cross multiply
91,468.18x = 137,102.18 × 47,097.59 - Step 4: Simplify right side
91,468.18x = 6,457,182,722.25 - Step 5: Solve for x
x = 6,457,182,722.25/91,468.18 - Step 6: Final answer
x = 70,594.85
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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.