Finding the Fourth Proportional to 107,929.28, 161,893.38 and 29,037.08
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Solution
The fourth proportional to 107,929.28, 161,893.38 and 29,037.08 is: 43,555.47
Step by Step Solution
- Step 1: Write the proportion equation
107,929.28 : 161,893.38 = 29,037.08 : x - Step 2: Convert to fraction form
107,929.28/161,893.38 = 29,037.08/x - Step 3: Cross multiply
107,929.28x = 161,893.38 × 29,037.08 - Step 4: Simplify right side
107,929.28x = 4,700,911,026.53 - Step 5: Solve for x
x = 4,700,911,026.53/107,929.28 - Step 6: Final answer
x = 43,555.47
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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.