Finding the Fourth Proportional to 103,232.48, 142,470.24 and 62,948.48
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Solution
The fourth proportional to 103,232.48, 142,470.24 and 62,948.48 is: 86,874.65
Step by Step Solution
- Step 1: Write the proportion equation
103,232.48 : 142,470.24 = 62,948.48 : x - Step 2: Convert to fraction form
103,232.48/142,470.24 = 62,948.48/x - Step 3: Cross multiply
103,232.48x = 142,470.24 × 62,948.48 - Step 4: Simplify right side
103,232.48x = 8,968,285,053.24 - Step 5: Solve for x
x = 8,968,285,053.24/103,232.48 - Step 6: Final answer
x = 86,874.65
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1.5x scale
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.