Finding the Fourth Proportional to 113,929.08, 170,917.85 and 39,029.12
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Solution
The fourth proportional to 113,929.08, 170,917.85 and 39,029.12 is: 58,551.99
Step by Step Solution
- Step 1: Write the proportion equation
113,929.08 : 170,917.85 = 39,029.12 : x - Step 2: Convert to fraction form
113,929.08/170,917.85 = 39,029.12/x - Step 3: Cross multiply
113,929.08x = 170,917.85 × 39,029.12 - Step 4: Simplify right side
113,929.08x = 6,670,773,802.66 - Step 5: Solve for x
x = 6,670,773,802.66/113,929.08 - Step 6: Final answer
x = 58,551.99
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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.