Finding the Fourth Proportional to 75,088.16, 103,592.14 and 48,226.92
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Solution
The fourth proportional to 75,088.16, 103,592.14 and 48,226.92 is: 66,534.19
Step by Step Solution
- Step 1: Write the proportion equation
75,088.16 : 103,592.14 = 48,226.92 : x - Step 2: Convert to fraction form
75,088.16/103,592.14 = 48,226.92/x - Step 3: Cross multiply
75,088.16x = 103,592.14 × 48,226.92 - Step 4: Simplify right side
75,088.16x = 4,995,929,848.41 - Step 5: Solve for x
x = 4,995,929,848.41/75,088.16 - Step 6: Final answer
x = 66,534.19
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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.