Finding the Fourth Proportional to 92,060.29, 138,090.57 and 28,018.99
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Solution
The fourth proportional to 92,060.29, 138,090.57 and 28,018.99 is: 42,028.53
Step by Step Solution
- Step 1: Write the proportion equation
92,060.29 : 138,090.57 = 28,018.99 : x - Step 2: Convert to fraction form
92,060.29/138,090.57 = 28,018.99/x - Step 3: Cross multiply
92,060.29x = 138,090.57 × 28,018.99 - Step 4: Simplify right side
92,060.29x = 3,869,158,299.92 - Step 5: Solve for x
x = 3,869,158,299.92/92,060.29 - Step 6: Final answer
x = 42,028.53
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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.