Finding the Fourth Proportional to 77,967.06, 107,622.17 and 46,135.88
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Solution
The fourth proportional to 77,967.06, 107,622.17 and 46,135.88 is: 63,683.86
Step by Step Solution
- Step 1: Write the proportion equation
77,967.06 : 107,622.17 = 46,135.88 : x - Step 2: Convert to fraction form
77,967.06/107,622.17 = 46,135.88/x - Step 3: Cross multiply
77,967.06x = 107,622.17 × 46,135.88 - Step 4: Simplify right side
77,967.06x = 4,965,243,328.26 - Step 5: Solve for x
x = 4,965,243,328.26/77,967.06 - Step 6: Final answer
x = 63,683.86
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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.