Finding the Fourth Proportional to 93,552.92, 139,995.84 and 74,952.48
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Solution
The fourth proportional to 93,552.92, 139,995.84 and 74,952.48 is: 112,161.50
Step by Step Solution
- Step 1: Write the proportion equation
93,552.92 : 139,995.84 = 74,952.48 : x - Step 2: Convert to fraction form
93,552.92/139,995.84 = 74,952.48/x - Step 3: Cross multiply
93,552.92x = 139,995.84 × 74,952.48 - Step 4: Simplify right side
93,552.92x = 10,493,035,397.68 - Step 5: Solve for x
x = 10,493,035,397.68/93,552.92 - Step 6: Final answer
x = 112,161.50
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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.