Finding the Fourth Proportional to 79,340.01, 109,496.30 and 43,536.99
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Solution
The fourth proportional to 79,340.01, 109,496.30 and 43,536.99 is: 60,084.93
Step by Step Solution
- Step 1: Write the proportion equation
79,340.01 : 109,496.30 = 43,536.99 : x - Step 2: Convert to fraction form
79,340.01/109,496.30 = 43,536.99/x - Step 3: Cross multiply
79,340.01x = 109,496.30 × 43,536.99 - Step 4: Simplify right side
79,340.01x = 4,767,139,318.14 - Step 5: Solve for x
x = 4,767,139,318.14/79,340.01 - Step 6: Final answer
x = 60,084.93
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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.