Finding the Fourth Proportional to 88,865.40, 122,635.71 and 53,058.54
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Solution
The fourth proportional to 88,865.40, 122,635.71 and 53,058.54 is: 73,221.66
Step by Step Solution
- Step 1: Write the proportion equation
88,865.40 : 122,635.71 = 53,058.54 : x - Step 2: Convert to fraction form
88,865.40/122,635.71 = 53,058.54/x - Step 3: Cross multiply
88,865.40x = 122,635.71 × 53,058.54 - Step 4: Simplify right side
88,865.40x = 6,506,871,724.46 - Step 5: Solve for x
x = 6,506,871,724.46/88,865.40 - Step 6: Final answer
x = 73,221.66
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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.