Finding the Fourth Proportional to 96,618.92, 133,332.42 and 54,177.32
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Solution
The fourth proportional to 96,618.92, 133,332.42 and 54,177.32 is: 74,763.75
Step by Step Solution
- Step 1: Write the proportion equation
96,618.92 : 133,332.42 = 54,177.32 : x - Step 2: Convert to fraction form
96,618.92/133,332.42 = 54,177.32/x - Step 3: Cross multiply
96,618.92x = 133,332.42 × 54,177.32 - Step 4: Simplify right side
96,618.92x = 7,223,593,184.71 - Step 5: Solve for x
x = 7,223,593,184.71/96,618.92 - Step 6: Final answer
x = 74,763.75
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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.