Finding the Fourth Proportional to 96,557.36, 133,249.80 and 54,117.68
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Solution
The fourth proportional to 96,557.36, 133,249.80 and 54,117.68 is: 74,682.76
Step by Step Solution
- Step 1: Write the proportion equation
96,557.36 : 133,249.80 = 54,117.68 : x - Step 2: Convert to fraction form
96,557.36/133,249.80 = 54,117.68/x - Step 3: Cross multiply
96,557.36x = 133,249.80 × 54,117.68 - Step 4: Simplify right side
96,557.36x = 7,211,170,036.46 - Step 5: Solve for x
x = 7,211,170,036.46/96,557.36 - Step 6: Final answer
x = 74,682.76
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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.