Finding the Fourth Proportional to 84,293.68, 125,825.62 and 73,652.75
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Solution
The fourth proportional to 84,293.68, 125,825.62 and 73,652.75 is: 109,941.85
Step by Step Solution
- Step 1: Write the proportion equation
84,293.68 : 125,825.62 = 73,652.75 : x - Step 2: Convert to fraction form
84,293.68/125,825.62 = 73,652.75/x - Step 3: Cross multiply
84,293.68x = 125,825.62 × 73,652.75 - Step 4: Simplify right side
84,293.68x = 9,267,402,933.46 - Step 5: Solve for x
x = 9,267,402,933.46/84,293.68 - Step 6: Final answer
x = 109,941.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.