Finding the Fourth Proportional to 75,955.84, 113,953.28 and 54,633.12
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Solution
The fourth proportional to 75,955.84, 113,953.28 and 54,633.12 is: 81,963.72
Step by Step Solution
- Step 1: Write the proportion equation
75,955.84 : 113,953.28 = 54,633.12 : x - Step 2: Convert to fraction form
75,955.84/113,953.28 = 54,633.12/x - Step 3: Cross multiply
75,955.84x = 113,953.28 × 54,633.12 - Step 4: Simplify right side
75,955.84x = 6,225,623,220.63 - Step 5: Solve for x
x = 6,225,623,220.63/75,955.84 - Step 6: Final answer
x = 81,963.72
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.