Finding the Fourth Proportional to 80,403.08, 110,963.07 and 44,604.63
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Solution
The fourth proportional to 80,403.08, 110,963.07 and 44,604.63 is: 61,558.17
Step by Step Solution
- Step 1: Write the proportion equation
80,403.08 : 110,963.07 = 44,604.63 : x - Step 2: Convert to fraction form
80,403.08/110,963.07 = 44,604.63/x - Step 3: Cross multiply
80,403.08x = 110,963.07 × 44,604.63 - Step 4: Simplify right side
80,403.08x = 4,949,466,681.01 - Step 5: Solve for x
x = 4,949,466,681.01/80,403.08 - Step 6: Final answer
x = 61,558.17
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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.