Finding the Fourth Proportional to 74,281.93, 102,502.97 and 40,747.93
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Solution
The fourth proportional to 74,281.93, 102,502.97 and 40,747.93 is: 56,228.80
Step by Step Solution
- Step 1: Write the proportion equation
74,281.93 : 102,502.97 = 40,747.93 : x - Step 2: Convert to fraction form
74,281.93/102,502.97 = 40,747.93/x - Step 3: Cross multiply
74,281.93x = 102,502.97 × 40,747.93 - Step 4: Simplify right side
74,281.93x = 4,176,783,539.16 - Step 5: Solve for x
x = 4,176,783,539.16/74,281.93 - Step 6: Final answer
x = 56,228.80
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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.