Finding the Fourth Proportional to 96,555.36, 133,254.60 and 56,272.44
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Solution
The fourth proportional to 96,555.36, 133,254.60 and 56,272.44 is: 77,660.75
Step by Step Solution
- Step 1: Write the proportion equation
96,555.36 : 133,254.60 = 56,272.44 : x - Step 2: Convert to fraction form
96,555.36/133,254.60 = 56,272.44/x - Step 3: Cross multiply
96,555.36x = 133,254.60 × 56,272.44 - Step 4: Simplify right side
96,555.36x = 7,498,561,483.22 - Step 5: Solve for x
x = 7,498,561,483.22/96,555.36 - Step 6: Final answer
x = 77,660.75
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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.