Finding the Fourth Proportional to 75,025.08, 103,485.84 and 48,124.98
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Solution
The fourth proportional to 75,025.08, 103,485.84 and 48,124.98 is: 66,381.19
Step by Step Solution
- Step 1: Write the proportion equation
75,025.08 : 103,485.84 = 48,124.98 : x - Step 2: Convert to fraction form
75,025.08/103,485.84 = 48,124.98/x - Step 3: Cross multiply
75,025.08x = 103,485.84 × 48,124.98 - Step 4: Simplify right side
75,025.08x = 4,980,253,980.28 - Step 5: Solve for x
x = 4,980,253,980.28/75,025.08 - Step 6: Final answer
x = 66,381.19
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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.