Finding the Fourth Proportional to 96,390.24, 133,011.36 and 56,104.32
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Solution
The fourth proportional to 96,390.24, 133,011.36 and 56,104.32 is: 77,419.79
Step by Step Solution
- Step 1: Write the proportion equation
96,390.24 : 133,011.36 = 56,104.32 : x - Step 2: Convert to fraction form
96,390.24/133,011.36 = 56,104.32/x - Step 3: Cross multiply
96,390.24x = 133,011.36 × 56,104.32 - Step 4: Simplify right side
96,390.24x = 7,462,511,905.08 - Step 5: Solve for x
x = 7,462,511,905.08/96,390.24 - Step 6: Final answer
x = 77,419.79
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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.