Finding the Fourth Proportional to 70,039.54, 104,612.63 and 63,365.74
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Solution
The fourth proportional to 70,039.54, 104,612.63 and 63,365.74 is: 94,644.49
Step by Step Solution
- Step 1: Write the proportion equation
70,039.54 : 104,612.63 = 63,365.74 : x - Step 2: Convert to fraction form
70,039.54/104,612.63 = 63,365.74/x - Step 3: Cross multiply
70,039.54x = 104,612.63 × 63,365.74 - Step 4: Simplify right side
70,039.54x = 6,628,856,713.30 - Step 5: Solve for x
x = 6,628,856,713.30/70,039.54 - Step 6: Final answer
x = 94,644.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.