Finding the Fourth Proportional to 85,113.08, 117,202.44 and 83,224.88
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Solution
The fourth proportional to 85,113.08, 117,202.44 and 83,224.88 is: 114,602.35
Step by Step Solution
- Step 1: Write the proportion equation
85,113.08 : 117,202.44 = 83,224.88 : x - Step 2: Convert to fraction form
85,113.08/117,202.44 = 83,224.88/x - Step 3: Cross multiply
85,113.08x = 117,202.44 × 83,224.88 - Step 4: Simplify right side
85,113.08x = 9,754,159,004.71 - Step 5: Solve for x
x = 9,754,159,004.71/85,113.08 - Step 6: Final answer
x = 114,602.35
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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.