Finding the Fourth Proportional to 142,110.99, 213,122.07 and 47,319.03
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Solution
The fourth proportional to 142,110.99, 213,122.07 and 47,319.03 is: 70,963.76
Step by Step Solution
- Step 1: Write the proportion equation
142,110.99 : 213,122.07 = 47,319.03 : x - Step 2: Convert to fraction form
142,110.99/213,122.07 = 47,319.03/x - Step 3: Cross multiply
142,110.99x = 213,122.07 × 47,319.03 - Step 4: Simplify right side
142,110.99x = 10,084,729,623.99 - Step 5: Solve for x
x = 10,084,729,623.99/142,110.99 - Step 6: Final answer
x = 70,963.76
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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.