Finding the Fourth Proportional to 96,739.68, 133,506.68 and 54,298.20
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Solution
The fourth proportional to 96,739.68, 133,506.68 and 54,298.20 is: 74,934.84
Step by Step Solution
- Step 1: Write the proportion equation
96,739.68 : 133,506.68 = 54,298.20 : x - Step 2: Convert to fraction form
96,739.68/133,506.68 = 54,298.20/x - Step 3: Cross multiply
96,739.68x = 133,506.68 × 54,298.20 - Step 4: Simplify right side
96,739.68x = 7,249,172,411.98 - Step 5: Solve for x
x = 7,249,172,411.98/96,739.68 - Step 6: Final answer
x = 74,934.84
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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.