Finding the Fourth Proportional to 93,372.18, 128,855.41 and 50,932.26
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Solution
The fourth proportional to 93,372.18, 128,855.41 and 50,932.26 is: 70,287.50
Step by Step Solution
- Step 1: Write the proportion equation
93,372.18 : 128,855.41 = 50,932.26 : x - Step 2: Convert to fraction form
93,372.18/128,855.41 = 50,932.26/x - Step 3: Cross multiply
93,372.18x = 128,855.41 × 50,932.26 - Step 4: Simplify right side
93,372.18x = 6,562,897,244.53 - Step 5: Solve for x
x = 6,562,897,244.53/93,372.18 - Step 6: Final answer
x = 70,287.50
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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.