Finding the Fourth Proportional to 88,707.14, 122,207.92 and 61,800.98
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Solution
The fourth proportional to 88,707.14, 122,207.92 and 61,800.98 is: 85,140.49
Step by Step Solution
- Step 1: Write the proportion equation
88,707.14 : 122,207.92 = 61,800.98 : x - Step 2: Convert to fraction form
88,707.14/122,207.92 = 61,800.98/x - Step 3: Cross multiply
88,707.14x = 122,207.92 × 61,800.98 - Step 4: Simplify right side
88,707.14x = 7,552,569,219.76 - Step 5: Solve for x
x = 7,552,569,219.76/88,707.14 - Step 6: Final answer
x = 85,140.49
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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.