Finding the Fourth Proportional to 96,397.58, 133,029.34 and 56,134.82
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Solution
The fourth proportional to 96,397.58, 133,029.34 and 56,134.82 is: 77,466.45
Step by Step Solution
- Step 1: Write the proportion equation
96,397.58 : 133,029.34 = 56,134.82 : x - Step 2: Convert to fraction form
96,397.58/133,029.34 = 56,134.82/x - Step 3: Cross multiply
96,397.58x = 133,029.34 × 56,134.82 - Step 4: Simplify right side
96,397.58x = 7,467,578,055.62 - Step 5: Solve for x
x = 7,467,578,055.62/96,397.58 - Step 6: Final answer
x = 77,466.45
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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.