Finding the Fourth Proportional to 96,765.19, 133,535.86 and 54,323.80
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Solution
The fourth proportional to 96,765.19, 133,535.86 and 54,323.80 is: 74,966.79
Step by Step Solution
- Step 1: Write the proportion equation
96,765.19 : 133,535.86 = 54,323.80 : x - Step 2: Convert to fraction form
96,765.19/133,535.86 = 54,323.80/x - Step 3: Cross multiply
96,765.19x = 133,535.86 × 54,323.80 - Step 4: Simplify right side
96,765.19x = 7,254,175,351.47 - Step 5: Solve for x
x = 7,254,175,351.47/96,765.19 - Step 6: Final answer
x = 74,966.79
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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.