Finding the Fourth Proportional to 68,110.04, 101,521.19 and 64,782.68
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Solution
The fourth proportional to 68,110.04, 101,521.19 and 64,782.68 is: 96,561.60
Step by Step Solution
- Step 1: Write the proportion equation
68,110.04 : 101,521.19 = 64,782.68 : x - Step 2: Convert to fraction form
68,110.04/101,521.19 = 64,782.68/x - Step 3: Cross multiply
68,110.04x = 101,521.19 × 64,782.68 - Step 4: Simplify right side
68,110.04x = 6,576,814,764.99 - Step 5: Solve for x
x = 6,576,814,764.99/68,110.04 - Step 6: Final answer
x = 96,561.60
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1.5x scale
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.