Finding the Fourth Proportional to 93,246.19, 139,703.43 and 53,721.63
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Solution
The fourth proportional to 93,246.19, 139,703.43 and 53,721.63 is: 80,486.90
Step by Step Solution
- Step 1: Write the proportion equation
93,246.19 : 139,703.43 = 53,721.63 : x - Step 2: Convert to fraction form
93,246.19/139,703.43 = 53,721.63/x - Step 3: Cross multiply
93,246.19x = 139,703.43 × 53,721.63 - Step 4: Simplify right side
93,246.19x = 7,505,096,177.65 - Step 5: Solve for x
x = 7,505,096,177.65/93,246.19 - Step 6: Final answer
x = 80,486.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.