Finding the Fourth Proportional to 75,024.59, 103,485.06 and 48,124.49
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Solution
The fourth proportional to 75,024.59, 103,485.06 and 48,124.49 is: 66,380.45
Step by Step Solution
- Step 1: Write the proportion equation
75,024.59 : 103,485.06 = 48,124.49 : x - Step 2: Convert to fraction form
75,024.59/103,485.06 = 48,124.49/x - Step 3: Cross multiply
75,024.59x = 103,485.06 × 48,124.49 - Step 4: Simplify right side
75,024.59x = 4,980,165,735.12 - Step 5: Solve for x
x = 4,980,165,735.12/75,024.59 - Step 6: Final answer
x = 66,380.45
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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.