Finding the Fourth Proportional to 88,470.77, 122,170.81 and 56,216.02
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Solution
The fourth proportional to 88,470.77, 122,170.81 and 56,216.02 is: 77,629.66
Step by Step Solution
- Step 1: Write the proportion equation
88,470.77 : 122,170.81 = 56,216.02 : x - Step 2: Convert to fraction form
88,470.77/122,170.81 = 56,216.02/x - Step 3: Cross multiply
88,470.77x = 122,170.81 × 56,216.02 - Step 4: Simplify right side
88,470.77x = 6,867,956,252.41 - Step 5: Solve for x
x = 6,867,956,252.41/88,470.77 - Step 6: Final answer
x = 77,629.66
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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.