Finding the Fourth Proportional to 88,981.99, 122,795.14 and 48,695.78
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Solution
The fourth proportional to 88,981.99, 122,795.14 and 48,695.78 is: 67,200.17
Step by Step Solution
- Step 1: Write the proportion equation
88,981.99 : 122,795.14 = 48,695.78 : x - Step 2: Convert to fraction form
88,981.99/122,795.14 = 48,695.78/x - Step 3: Cross multiply
88,981.99x = 122,795.14 × 48,695.78 - Step 4: Simplify right side
88,981.99x = 5,979,605,399.06 - Step 5: Solve for x
x = 5,979,605,399.06/88,981.99 - Step 6: Final answer
x = 67,200.17
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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.