Finding the Fourth Proportional to 70,560.99, 105,798.42 and 29,986.70
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Solution
The fourth proportional to 70,560.99, 105,798.42 and 29,986.70 is: 44,961.74
Step by Step Solution
- Step 1: Write the proportion equation
70,560.99 : 105,798.42 = 29,986.70 : x - Step 2: Convert to fraction form
70,560.99/105,798.42 = 29,986.70/x - Step 3: Cross multiply
70,560.99x = 105,798.42 × 29,986.70 - Step 4: Simplify right side
70,560.99x = 3,172,544,952.02 - Step 5: Solve for x
x = 3,172,544,952.02/70,560.99 - Step 6: Final answer
x = 44,961.74
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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.