Finding the Fourth Proportional to 77,393.06, 115,980.08 and 32,975.08
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Solution
The fourth proportional to 77,393.06, 115,980.08 and 32,975.08 is: 49,415.96
Step by Step Solution
- Step 1: Write the proportion equation
77,393.06 : 115,980.08 = 32,975.08 : x - Step 2: Convert to fraction form
77,393.06/115,980.08 = 32,975.08/x - Step 3: Cross multiply
77,393.06x = 115,980.08 × 32,975.08 - Step 4: Simplify right side
77,393.06x = 3,824,452,416.41 - Step 5: Solve for x
x = 3,824,452,416.41/77,393.06 - Step 6: Final answer
x = 49,415.96
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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.