Finding the Fourth Proportional to 83,102.87, 114,690.99 and 51,270.95
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Solution
The fourth proportional to 83,102.87, 114,690.99 and 51,270.95 is: 70,759.48
Step by Step Solution
- Step 1: Write the proportion equation
83,102.87 : 114,690.99 = 51,270.95 : x - Step 2: Convert to fraction form
83,102.87/114,690.99 = 51,270.95/x - Step 3: Cross multiply
83,102.87x = 114,690.99 × 51,270.95 - Step 4: Simplify right side
83,102.87x = 5,880,316,013.74 - Step 5: Solve for x
x = 5,880,316,013.74/83,102.87 - Step 6: Final answer
x = 70,759.48
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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.