Finding the Fourth Proportional to 85,950.55, 118,605.81 and 47,707.09
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Solution
The fourth proportional to 85,950.55, 118,605.81 and 47,707.09 is: 65,832.48
Step by Step Solution
- Step 1: Write the proportion equation
85,950.55 : 118,605.81 = 47,707.09 : x - Step 2: Convert to fraction form
85,950.55/118,605.81 = 47,707.09/x - Step 3: Cross multiply
85,950.55x = 118,605.81 × 47,707.09 - Step 4: Simplify right side
85,950.55x = 5,658,337,220.63 - Step 5: Solve for x
x = 5,658,337,220.63/85,950.55 - Step 6: Final answer
x = 65,832.48
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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.