Finding the Fourth Proportional to 93,173.84, 128,580.06 and 50,732.54
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Solution
The fourth proportional to 93,173.84, 128,580.06 and 50,732.54 is: 70,010.99
Step by Step Solution
- Step 1: Write the proportion equation
93,173.84 : 128,580.06 = 50,732.54 : x - Step 2: Convert to fraction form
93,173.84/128,580.06 = 50,732.54/x - Step 3: Cross multiply
93,173.84x = 128,580.06 × 50,732.54 - Step 4: Simplify right side
93,173.84x = 6,523,193,037.15 - Step 5: Solve for x
x = 6,523,193,037.15/93,173.84 - Step 6: Final answer
x = 70,010.99
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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.