Finding the Fourth Proportional to 97,315.76, 134,272.79 and 54,866.09
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Solution
The fourth proportional to 97,315.76, 134,272.79 and 54,866.09 is: 75,702.26
Step by Step Solution
- Step 1: Write the proportion equation
97,315.76 : 134,272.79 = 54,866.09 : x - Step 2: Convert to fraction form
97,315.76/134,272.79 = 54,866.09/x - Step 3: Cross multiply
97,315.76x = 134,272.79 × 54,866.09 - Step 4: Simplify right side
97,315.76x = 7,367,023,247.79 - Step 5: Solve for x
x = 7,367,023,247.79/97,315.76 - Step 6: Final answer
x = 75,702.26
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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.