Finding the Fourth Proportional to 93,643.88, 140,465.84 and 27,979.88
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Solution
The fourth proportional to 93,643.88, 140,465.84 and 27,979.88 is: 41,969.82
Step by Step Solution
- Step 1: Write the proportion equation
93,643.88 : 140,465.84 = 27,979.88 : x - Step 2: Convert to fraction form
93,643.88/140,465.84 = 27,979.88/x - Step 3: Cross multiply
93,643.88x = 140,465.84 × 27,979.88 - Step 4: Simplify right side
93,643.88x = 3,930,216,505.07 - Step 5: Solve for x
x = 3,930,216,505.07/93,643.88 - Step 6: Final answer
x = 41,969.82
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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.