Finding the Fourth Proportional to 70,880.06, 106,320.33 and 48,625.99
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Solution
The fourth proportional to 70,880.06, 106,320.33 and 48,625.99 is: 72,939.14
Step by Step Solution
- Step 1: Write the proportion equation
70,880.06 : 106,320.33 = 48,625.99 : x - Step 2: Convert to fraction form
70,880.06/106,320.33 = 48,625.99/x - Step 3: Cross multiply
70,880.06x = 106,320.33 × 48,625.99 - Step 4: Simplify right side
70,880.06x = 5,169,931,037.58 - Step 5: Solve for x
x = 5,169,931,037.58/70,880.06 - Step 6: Final answer
x = 72,939.14
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.