Finding the Fourth Proportional to 88,157.23, 121,656.98 and 47,870.99
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Solution
The fourth proportional to 88,157.23, 121,656.98 and 47,870.99 is: 66,061.97
Step by Step Solution
- Step 1: Write the proportion equation
88,157.23 : 121,656.98 = 47,870.99 : x - Step 2: Convert to fraction form
88,157.23/121,656.98 = 47,870.99/x - Step 3: Cross multiply
88,157.23x = 121,656.98 × 47,870.99 - Step 4: Simplify right side
88,157.23x = 5,823,840,295.92 - Step 5: Solve for x
x = 5,823,840,295.92/88,157.23 - Step 6: Final answer
x = 66,061.97
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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.