Finding the Fourth Proportional to 93,714.21, 129,328.84 and 51,272.75
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Solution
The fourth proportional to 93,714.21, 129,328.84 and 51,272.75 is: 70,758.15
Step by Step Solution
- Step 1: Write the proportion equation
93,714.21 : 129,328.84 = 51,272.75 : x - Step 2: Convert to fraction form
93,714.21/129,328.84 = 51,272.75/x - Step 3: Cross multiply
93,714.21x = 129,328.84 × 51,272.75 - Step 4: Simplify right side
93,714.21x = 6,631,044,698.56 - Step 5: Solve for x
x = 6,631,044,698.56/93,714.21 - Step 6: Final answer
x = 70,758.15
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1.5x scale
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.