Finding the Fourth Proportional to 88,220.79, 121,730.98 and 52,409.88
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Solution
The fourth proportional to 88,220.79, 121,730.98 and 52,409.88 is: 72,317.49
Step by Step Solution
- Step 1: Write the proportion equation
88,220.79 : 121,730.98 = 52,409.88 : x - Step 2: Convert to fraction form
88,220.79/121,730.98 = 52,409.88/x - Step 3: Cross multiply
88,220.79x = 121,730.98 × 52,409.88 - Step 4: Simplify right side
88,220.79x = 6,379,906,054.08 - Step 5: Solve for x
x = 6,379,906,054.08/88,220.79 - Step 6: Final answer
x = 72,317.49
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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.