Finding the Fourth Proportional to 73,873.96, 101,957.80 and 42,053.12
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Solution
The fourth proportional to 73,873.96, 101,957.80 and 42,053.12 is: 58,039.99
Step by Step Solution
- Step 1: Write the proportion equation
73,873.96 : 101,957.80 = 42,053.12 : x - Step 2: Convert to fraction form
73,873.96/101,957.80 = 42,053.12/x - Step 3: Cross multiply
73,873.96x = 101,957.80 × 42,053.12 - Step 4: Simplify right side
73,873.96x = 4,287,643,598.34 - Step 5: Solve for x
x = 4,287,643,598.34/73,873.96 - Step 6: Final answer
x = 58,039.99
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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.