Finding the Fourth Proportional to 93,342.99, 128,808.66 and 53,051.43
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Solution
The fourth proportional to 93,342.99, 128,808.66 and 53,051.43 is: 73,208.32
Step by Step Solution
- Step 1: Write the proportion equation
93,342.99 : 128,808.66 = 53,051.43 : x - Step 2: Convert to fraction form
93,342.99/128,808.66 = 53,051.43/x - Step 3: Cross multiply
93,342.99x = 128,808.66 × 53,051.43 - Step 4: Simplify right side
93,342.99x = 6,833,483,609.38 - Step 5: Solve for x
x = 6,833,483,609.38/93,342.99 - Step 6: Final answer
x = 73,208.32
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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.