Finding the Fourth Proportional to 93,885.14, 129,566.69 and 53,611.85
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Solution
The fourth proportional to 93,885.14, 129,566.69 and 53,611.85 is: 73,987.32
Step by Step Solution
- Step 1: Write the proportion equation
93,885.14 : 129,566.69 = 53,611.85 : x - Step 2: Convert to fraction form
93,885.14/129,566.69 = 53,611.85/x - Step 3: Cross multiply
93,885.14x = 129,566.69 × 53,611.85 - Step 4: Simplify right side
93,885.14x = 6,946,309,681.22 - Step 5: Solve for x
x = 6,946,309,681.22/93,885.14 - Step 6: Final answer
x = 73,987.32
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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.