Finding the Fourth Proportional to 93,379.15, 128,863.08 and 50,937.68
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Solution
The fourth proportional to 93,379.15, 128,863.08 and 50,937.68 is: 70,293.92
Step by Step Solution
- Step 1: Write the proportion equation
93,379.15 : 128,863.08 = 50,937.68 : x - Step 2: Convert to fraction form
93,379.15/128,863.08 = 50,937.68/x - Step 3: Cross multiply
93,379.15x = 128,863.08 × 50,937.68 - Step 4: Simplify right side
93,379.15x = 6,563,986,464.00 - Step 5: Solve for x
x = 6,563,986,464.00/93,379.15 - Step 6: Final answer
x = 70,293.92
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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.