Finding the Fourth Proportional to 71,188.64, 106,782.98 and 65,248.84
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Solution
The fourth proportional to 71,188.64, 106,782.98 and 65,248.84 is: 97,873.28
Step by Step Solution
- Step 1: Write the proportion equation
71,188.64 : 106,782.98 = 65,248.84 : x - Step 2: Convert to fraction form
71,188.64/106,782.98 = 65,248.84/x - Step 3: Cross multiply
71,188.64x = 106,782.98 × 65,248.84 - Step 4: Simplify right side
71,188.64x = 6,967,465,383.98 - Step 5: Solve for x
x = 6,967,465,383.98/71,188.64 - Step 6: Final answer
x = 97,873.28
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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.