Finding the Fourth Proportional to 88,412.45, 122,009.05 and 48,126.08
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Solution
The fourth proportional to 88,412.45, 122,009.05 and 48,126.08 is: 66,413.92
Step by Step Solution
- Step 1: Write the proportion equation
88,412.45 : 122,009.05 = 48,126.08 : x - Step 2: Convert to fraction form
88,412.45/122,009.05 = 48,126.08/x - Step 3: Cross multiply
88,412.45x = 122,009.05 × 48,126.08 - Step 4: Simplify right side
88,412.45x = 5,871,817,301.02 - Step 5: Solve for x
x = 5,871,817,301.02/88,412.45 - Step 6: Final answer
x = 66,413.92
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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.