Finding the Fourth Proportional to 76,852.16, 106,050.97 and 42,394.81
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Solution
The fourth proportional to 76,852.16, 106,050.97 and 42,394.81 is: 58,502.07
Step by Step Solution
- Step 1: Write the proportion equation
76,852.16 : 106,050.97 = 42,394.81 : x - Step 2: Convert to fraction form
76,852.16/106,050.97 = 42,394.81/x - Step 3: Cross multiply
76,852.16x = 106,050.97 × 42,394.81 - Step 4: Simplify right side
76,852.16x = 4,496,010,723.47 - Step 5: Solve for x
x = 4,496,010,723.47/76,852.16 - Step 6: Final answer
x = 58,502.07
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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.