Finding the Fourth Proportional to 68,031.10, 101,532.13 and 66,259.63
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Solution
The fourth proportional to 68,031.10, 101,532.13 and 66,259.63 is: 98,888.32
Step by Step Solution
- Step 1: Write the proportion equation
68,031.10 : 101,532.13 = 66,259.63 : x - Step 2: Convert to fraction form
68,031.10/101,532.13 = 66,259.63/x - Step 3: Cross multiply
68,031.10x = 101,532.13 × 66,259.63 - Step 4: Simplify right side
68,031.10x = 6,727,481,366.91 - Step 5: Solve for x
x = 6,727,481,366.91/68,031.10 - Step 6: Final answer
x = 98,888.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.