Finding the Fourth Proportional to 93,611.08, 129,168.18 and 53,325.62
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Solution
The fourth proportional to 93,611.08, 129,168.18 and 53,325.62 is: 73,580.75
Step by Step Solution
- Step 1: Write the proportion equation
93,611.08 : 129,168.18 = 53,325.62 : x - Step 2: Convert to fraction form
93,611.08/129,168.18 = 53,325.62/x - Step 3: Cross multiply
93,611.08x = 129,168.18 × 53,325.62 - Step 4: Simplify right side
93,611.08x = 6,887,973,282.77 - Step 5: Solve for x
x = 6,887,973,282.77/93,611.08 - Step 6: Final answer
x = 73,580.75
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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.