Finding the Fourth Proportional to 74,765.99, 112,148.98 and 22,175.02
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Solution
The fourth proportional to 74,765.99, 112,148.98 and 22,175.02 is: 33,262.52
Step by Step Solution
- Step 1: Write the proportion equation
74,765.99 : 112,148.98 = 22,175.02 : x - Step 2: Convert to fraction form
74,765.99/112,148.98 = 22,175.02/x - Step 3: Cross multiply
74,765.99x = 112,148.98 × 22,175.02 - Step 4: Simplify right side
74,765.99x = 2,486,905,390.76 - Step 5: Solve for x
x = 2,486,905,390.76/74,765.99 - Step 6: Final answer
x = 33,262.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.