Finding the Fourth Proportional to 83,477.22, 125,246.61 and 39,118.38
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Solution
The fourth proportional to 83,477.22, 125,246.61 and 39,118.38 is: 58,691.99
Step by Step Solution
- Step 1: Write the proportion equation
83,477.22 : 125,246.61 = 39,118.38 : x - Step 2: Convert to fraction form
83,477.22/125,246.61 = 39,118.38/x - Step 3: Cross multiply
83,477.22x = 125,246.61 × 39,118.38 - Step 4: Simplify right side
83,477.22x = 4,899,444,483.69 - Step 5: Solve for x
x = 4,899,444,483.69/83,477.22 - Step 6: Final answer
x = 58,691.99
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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.