Finding the Fourth Proportional to 92,798.54, 128,062.32 and 50,357.08
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Solution
The fourth proportional to 92,798.54, 128,062.32 and 50,357.08 is: 69,492.95
Step by Step Solution
- Step 1: Write the proportion equation
92,798.54 : 128,062.32 = 50,357.08 : x - Step 2: Convert to fraction form
92,798.54/128,062.32 = 50,357.08/x - Step 3: Cross multiply
92,798.54x = 128,062.32 × 50,357.08 - Step 4: Simplify right side
92,798.54x = 6,448,844,493.23 - Step 5: Solve for x
x = 6,448,844,493.23/92,798.54 - Step 6: Final answer
x = 69,492.95
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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.