Finding the Fourth Proportional to 85,986.45, 118,548.95 and 62,118.99
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Solution
The fourth proportional to 85,986.45, 118,548.95 and 62,118.99 is: 85,643.04
Step by Step Solution
- Step 1: Write the proportion equation
85,986.45 : 118,548.95 = 62,118.99 : x - Step 2: Convert to fraction form
85,986.45/118,548.95 = 62,118.99/x - Step 3: Cross multiply
85,986.45x = 118,548.95 × 62,118.99 - Step 4: Simplify right side
85,986.45x = 7,364,140,728.97 - Step 5: Solve for x
x = 7,364,140,728.97/85,986.45 - Step 6: Final answer
x = 85,643.04
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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.