Finding the Fourth Proportional to 73,356.79, 101,232.44 and 39,822.79
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Solution
The fourth proportional to 73,356.79, 101,232.44 and 39,822.79 is: 54,955.49
Step by Step Solution
- Step 1: Write the proportion equation
73,356.79 : 101,232.44 = 39,822.79 : x - Step 2: Convert to fraction form
73,356.79/101,232.44 = 39,822.79/x - Step 3: Cross multiply
73,356.79x = 101,232.44 × 39,822.79 - Step 4: Simplify right side
73,356.79x = 4,031,358,199.31 - Step 5: Solve for x
x = 4,031,358,199.31/73,356.79 - Step 6: Final answer
x = 54,955.49
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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.