Finding the Fourth Proportional to 84,621.45, 116,773.53 and 48,822.99
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Solution
The fourth proportional to 84,621.45, 116,773.53 and 48,822.99 is: 67,373.38
Step by Step Solution
- Step 1: Write the proportion equation
84,621.45 : 116,773.53 = 48,822.99 : x - Step 2: Convert to fraction form
84,621.45/116,773.53 = 48,822.99/x - Step 3: Cross multiply
84,621.45x = 116,773.53 × 48,822.99 - Step 4: Simplify right side
84,621.45x = 5,701,232,887.45 - Step 5: Solve for x
x = 5,701,232,887.45/84,621.45 - Step 6: Final answer
x = 67,373.38
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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.