Finding the Fourth Proportional to 83,598.06, 115,363.81 and 47,299.13
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Solution
The fourth proportional to 83,598.06, 115,363.81 and 47,299.13 is: 65,271.94
Step by Step Solution
- Step 1: Write the proportion equation
83,598.06 : 115,363.81 = 47,299.13 : x - Step 2: Convert to fraction form
83,598.06/115,363.81 = 47,299.13/x - Step 3: Cross multiply
83,598.06x = 115,363.81 × 47,299.13 - Step 4: Simplify right side
83,598.06x = 5,456,607,846.49 - Step 5: Solve for x
x = 5,456,607,846.49/83,598.06 - Step 6: Final answer
x = 65,271.94
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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.