Finding the Fourth Proportional to 73,212.44, 100,957.74 and 62,637.08
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Solution
The fourth proportional to 73,212.44, 100,957.74 and 62,637.08 is: 86,374.64
Step by Step Solution
- Step 1: Write the proportion equation
73,212.44 : 100,957.74 = 62,637.08 : x - Step 2: Convert to fraction form
73,212.44/100,957.74 = 62,637.08/x - Step 3: Cross multiply
73,212.44x = 100,957.74 × 62,637.08 - Step 4: Simplify right side
73,212.44x = 6,323,698,037.00 - Step 5: Solve for x
x = 6,323,698,037.00/73,212.44 - Step 6: Final answer
x = 86,374.64
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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.