Finding the Fourth Proportional to 85,532.99, 118,030.74 and 47,290.32
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Solution
The fourth proportional to 85,532.99, 118,030.74 and 47,290.32 is: 65,258.00
Step by Step Solution
- Step 1: Write the proportion equation
85,532.99 : 118,030.74 = 47,290.32 : x - Step 2: Convert to fraction form
85,532.99/118,030.74 = 47,290.32/x - Step 3: Cross multiply
85,532.99x = 118,030.74 × 47,290.32 - Step 4: Simplify right side
85,532.99x = 5,581,711,464.44 - Step 5: Solve for x
x = 5,581,711,464.44/85,532.99 - Step 6: Final answer
x = 65,258.00
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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.