Finding the Fourth Proportional to 93,706.08, 129,311.28 and 55,957.92
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Solution
The fourth proportional to 93,706.08, 129,311.28 and 55,957.92 is: 77,220.07
Step by Step Solution
- Step 1: Write the proportion equation
93,706.08 : 129,311.28 = 55,957.92 : x - Step 2: Convert to fraction form
93,706.08/129,311.28 = 55,957.92/x - Step 3: Cross multiply
93,706.08x = 129,311.28 × 55,957.92 - Step 4: Simplify right side
93,706.08x = 7,235,990,261.34 - Step 5: Solve for x
x = 7,235,990,261.34/93,706.08 - Step 6: Final answer
x = 77,220.07
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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.