Finding the Fourth Proportional to 92,975.23, 128,306.19 and 50,533.66
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Solution
The fourth proportional to 92,975.23, 128,306.19 and 50,533.66 is: 69,736.65
Step by Step Solution
- Step 1: Write the proportion equation
92,975.23 : 128,306.19 = 50,533.66 : x - Step 2: Convert to fraction form
92,975.23/128,306.19 = 50,533.66/x - Step 3: Cross multiply
92,975.23x = 128,306.19 × 50,533.66 - Step 4: Simplify right side
92,975.23x = 6,483,781,381.36 - Step 5: Solve for x
x = 6,483,781,381.36/92,975.23 - Step 6: Final answer
x = 69,736.65
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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.