Finding the Fourth Proportional to 102,320.64, 141,202.62 and 59,308.49
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Solution
The fourth proportional to 102,320.64, 141,202.62 and 59,308.49 is: 81,845.79
Step by Step Solution
- Step 1: Write the proportion equation
102,320.64 : 141,202.62 = 59,308.49 : x - Step 2: Convert to fraction form
102,320.64/141,202.62 = 59,308.49/x - Step 3: Cross multiply
102,320.64x = 141,202.62 × 59,308.49 - Step 4: Simplify right side
102,320.64x = 8,374,513,470.23 - Step 5: Solve for x
x = 8,374,513,470.23/102,320.64 - Step 6: Final answer
x = 81,845.79
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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.