Finding the Fourth Proportional to 79,206.05, 118,810.89 and 26,615.99
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Solution
The fourth proportional to 79,206.05, 118,810.89 and 26,615.99 is: 39,924.59
Step by Step Solution
- Step 1: Write the proportion equation
79,206.05 : 118,810.89 = 26,615.99 : x - Step 2: Convert to fraction form
79,206.05/118,810.89 = 26,615.99/x - Step 3: Cross multiply
79,206.05x = 118,810.89 × 26,615.99 - Step 4: Simplify right side
79,206.05x = 3,162,268,866.08 - Step 5: Solve for x
x = 3,162,268,866.08/79,206.05 - Step 6: Final answer
x = 39,924.59
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.