Finding the Fourth Proportional to 96,898.32, 133,714.56 and 54,454.08
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Solution
The fourth proportional to 96,898.32, 133,714.56 and 54,454.08 is: 75,143.75
Step by Step Solution
- Step 1: Write the proportion equation
96,898.32 : 133,714.56 = 54,454.08 : x - Step 2: Convert to fraction form
96,898.32/133,714.56 = 54,454.08/x - Step 3: Cross multiply
96,898.32x = 133,714.56 × 54,454.08 - Step 4: Simplify right side
96,898.32x = 7,281,303,347.40 - Step 5: Solve for x
x = 7,281,303,347.40/96,898.32 - Step 6: Final answer
x = 75,143.75
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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.