Finding the Fourth Proportional to 75,134.08, 103,639.68 and 48,267.52
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Solution
The fourth proportional to 75,134.08, 103,639.68 and 48,267.52 is: 66,580.04
Step by Step Solution
- Step 1: Write the proportion equation
75,134.08 : 103,639.68 = 48,267.52 : x - Step 2: Convert to fraction form
75,134.08/103,639.68 = 48,267.52/x - Step 3: Cross multiply
75,134.08x = 103,639.68 × 48,267.52 - Step 4: Simplify right side
75,134.08x = 5,002,430,327.19 - Step 5: Solve for x
x = 5,002,430,327.19/75,134.08 - Step 6: Final answer
x = 66,580.04
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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.