Finding the Fourth Proportional to 87,752.39, 121,097.84 and 47,466.02
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Solution
The fourth proportional to 87,752.39, 121,097.84 and 47,466.02 is: 65,502.86
Step by Step Solution
- Step 1: Write the proportion equation
87,752.39 : 121,097.84 = 47,466.02 : x - Step 2: Convert to fraction form
87,752.39/121,097.84 = 47,466.02/x - Step 3: Cross multiply
87,752.39x = 121,097.84 × 47,466.02 - Step 4: Simplify right side
87,752.39x = 5,748,032,560.81 - Step 5: Solve for x
x = 5,748,032,560.81/87,752.39 - Step 6: Final answer
x = 65,502.86
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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.