Finding the Fourth Proportional to 93,621.12, 129,197.53 and 53,336.58
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Solution
The fourth proportional to 93,621.12, 129,197.53 and 53,336.58 is: 73,604.70
Step by Step Solution
- Step 1: Write the proportion equation
93,621.12 : 129,197.53 = 53,336.58 : x - Step 2: Convert to fraction form
93,621.12/129,197.53 = 53,336.58/x - Step 3: Cross multiply
93,621.12x = 129,197.53 × 53,336.58 - Step 4: Simplify right side
93,621.12x = 6,890,954,394.65 - Step 5: Solve for x
x = 6,890,954,394.65/93,621.12 - Step 6: Final answer
x = 73,604.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.