Finding the Fourth Proportional to 75,431.99, 104,084.58 and 43,594.74
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Solution
The fourth proportional to 75,431.99, 104,084.58 and 43,594.74 is: 60,154.06
Step by Step Solution
- Step 1: Write the proportion equation
75,431.99 : 104,084.58 = 43,594.74 : x - Step 2: Convert to fraction form
75,431.99/104,084.58 = 43,594.74/x - Step 3: Cross multiply
75,431.99x = 104,084.58 × 43,594.74 - Step 4: Simplify right side
75,431.99x = 4,537,540,203.11 - Step 5: Solve for x
x = 4,537,540,203.11/75,431.99 - Step 6: Final answer
x = 60,154.06
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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.