Finding the Fourth Proportional to 85,532.67, 118,030.33 and 47,289.99
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Solution
The fourth proportional to 85,532.67, 118,030.33 and 47,289.99 is: 65,257.56
Step by Step Solution
- Step 1: Write the proportion equation
85,532.67 : 118,030.33 = 47,289.99 : x - Step 2: Convert to fraction form
85,532.67/118,030.33 = 47,289.99/x - Step 3: Cross multiply
85,532.67x = 118,030.33 × 47,289.99 - Step 4: Simplify right side
85,532.67x = 5,581,652,888.95 - Step 5: Solve for x
x = 5,581,652,888.95/85,532.67 - Step 6: Final answer
x = 65,257.56
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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.